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Shenzhen Yingweiteng Electric Co., Ltd. - Power Hardware Engineer (PhD)

Release time:2024-08-29

Salary:30-50k · 14 Salary
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Job Responsibilities:
1. Engage in hardware technology research and innovation of UPS power products, and build competitiveness in power technology
2. Understand the development trends of the UPS power supply industry, participate in leading the pre research work of new technologies, and upgrade and optimize existing solution designs
3. According to the technology strategy and plan, conduct research on new technologies, devices, and standards in this field, and explore patents and intellectual property rights
4. According to the requirements of the R&D process, output relevant product documentation, product data, and problem-solving reports

Job requirements:
1. Doctoral degree or above, major in electrical engineering, automation, electronic information, control engineering or other power electronics related fields, English proficiency level 6 or above, unlimited work experience, and excellent fresh graduates are acceptable
2. Proficient in digital and analog circuit principle design, familiar with the performance and parameters of various basic electronic components, and capable of independently completing product hardware development, component selection, and software and hardware debugging
3. Strong problem-solving skills, good work habits, excellent communication and coordination abilities, etc
4. Priority is given to hardware developers who have experience in power electronics products such as communication power supplies, electric vehicle DC-DC, OBC, charging stations, switching power supplies, UPS, high-power inverters, frequency converters, servos, etc

Salary and benefits:
1. Weekend weekends off, purchase six insurances and one fund (one social insurance and commercial insurance) upon joining the company
2. There are year-end bonuses (based on 2-4 months), performance bonuses, excellent employee bonuses, quarterly evaluations, etc
3. There is a spacious and bright staff canteen with meal supplements available
4. Rich and colorful company employee activities (gym, table tennis, basketball, football, badminton, yoga, employee travel, etc.)
5. Employee care (holiday benefits, paid annual leave, employee physical examination, afternoon tea, birthday parties, birthday gifts, marriage and child care, etc.)
6. Employee training (one-on-one mentorship, comprehensive onboarding training, external training, job specific skills training, etc.)
7. Metro Line 6 provides direct access (Shutianpu Station Exit B), with 7 shuttle buses running through the city, making it convenient and fast. It can be equipped with talent housing and public rental housing

Company Profile:
Founded in 2010, Envision Power is a wholly-owned subsidiary of Envision Group (stock code SZ002334), a national key high-tech enterprise, and a Guangdong Engineering Research Center and Shenzhen Scientific Research Center. More than 30% of the R&D personnel hold national professional titles
The company focuses on the research, development, production, and application of integrated solutions for critical infrastructure in data centers, providing highly reliable and high-quality product solutions and comprehensive high-quality services to global customers, and has won unanimous praise from customers. The main products covered include high-end modular UPS, precision air conditioning, precision intelligent power distribution, batteries, intelligent monitoring, micro module data centers, etc., which are widely used in various fields such as government, finance, communication, education, transportation, meteorology, broadcasting and television, industry and commerce taxation, medical and health, energy and electricity, as well as in 80 countries and regions around the world. Modular UPS sales have ranked among the top two in the industry in terms of market share nationwide for several consecutive years, winning the first prize of Shenzhen Science and Technology Award and the second prize of Guangdong Science and Technology Award

Xiamen Tungsten Industry Co., Ltd. - Crystal Material R&D Engineer (PhD)

Release time:2024-08-29

Salary: 20-45k
Experience requirements:Fresh graduates
Educational requirements:PhD
Job Description:
Job Description:
1. Responsible for developing crystal growth research and development experimental plans, and leading the implementation of crystal growth research and development experimental work
2. Responsible for the process flow design, technical standard determination, and process document preparation when introducing new products and technologies related to crystals into production
3. Track technological progress in relevant fields both domestically and internationally, understand cutting-edge trends such as new technologies, materials, and applications in the industry, and regularly summarize and form documents
4. Responsible for ensuring the protection and confidentiality of technological achievements, and creating patents and technical secrets
5. Responsible for vertical project application and execution





Deadline: July 19, 2025
Recruitment number: 2 people

Xiamen Tungsten Industry Co., Ltd. - Permanent Magnet Synchronous Motor R&D Engineer

Release time:2024-08-29

Salary:Salary negotiable
Experience requirements:5-10 years
Educational requirements:PhD
Job Description:
Research and development work in the field of permanent magnet synchronous motors (such as electromagnetic, structural, vibration and noise, thermal management, motor control, artificial intelligence, etc.)

Related work experience

Xiamen Tungsten Industry Co., Ltd. - Material Engineer (PhD)

Release time:2024-08-29

Salary: 13-25k
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Job Responsibilities:

1. Conduct market research on new technological trends and study the technological development trends of related industries both domestically and internationally

2. Carry out pre research on new technologies and basic theoretical research

3. Carry out research and development of new products, trial production of new products, and management of research and development projects

4. Participate in product process management, quality management, standardization management and other related work





Qualifications:

Doctoral degree, with priority given to the following research directions:

1. Research on powder metallurgy and hard alloys

2. First principles based material calculations and simulations

3. Research on Powder (Ceramic Material) Forming Technology

4. Research on the modification of material properties by rare earth doping (or rare earth oxides)

5. Research on improving the strength and toughness of powder materials, ceramic materials (brittle materials), and metal materials

Xiamen Tungsten Industry Co., Ltd. - General Manager of Group Strategic Development Center

Release time:2024-08-29

Salary:Salary negotiable
Experience requirements:Over 10 years
Educational requirements:PhD
Job Description:
Job Responsibilities:
1. Establish a strategic and investment management system, provide scientific and effective decision-making support for senior management, formulate group strategic planning and development models, manage investment projects, expand and explore new businesses, and provide direction guidance for group development
2. Conduct market and macroeconomic research, analyze market cycles, and write research reports
3. Organize and conduct internal and external environmental analysis, industry analysis, and provide constructive opinions for the macro decision-making and management innovation of the senior management
4. Organize the selection, feasibility study, and project evaluation of investment projects
5. Starting from the medium and long-term strategic development goals, analyze the emerging and potential business opportunities in the relevant fields of the group and write a research report
6. Connect with external research resources, establish long-term friendly cooperation with external institutions, and integrate research resources
Job requirements:
1. Doctoral degree (Bachelor's degree in Science and Engineering)
2. More than ten years of strategic management or investment management related work experience in production-oriented enterprises, with priority given to group work experience
3. Possess strong learning ability and innovative thinking, logical reasoning, objectivity and impartiality, independent thinking and insights, and under equal conditions, priority should be given to the ability to coordinate and integrate relevant external research resources

Xiamen Tungsten Industry Co., Ltd. - Technical R&D Engineer (Crystal Materials)

Release time:2024-08-29

Salary:15-25k · 13 Salary
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Job Description:
1. Responsible for developing crystal growth research and development experimental plans, and leading the implementation of crystal growth research and development experimental work
2. Responsible for the process flow design, technical standard determination, and process document preparation when introducing new products and technologies related to crystals into production
3. Track technological progress in relevant fields both domestically and internationally, understand cutting-edge trends such as new technologies, materials, and applications in the industry, and regularly summarize and form documents
4. Responsible for ensuring the protection and confidentiality of technological achievements, and creating patents and technical secrets
5. Responsible for vertical project application and execution

Shenzhen Shunluo Electronics Co., Ltd. - Mechanical Structure Engineer (24th/25th)

Release time:2024-08-29

Salary:40-60k · 14 Salary
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Job responsibilities (for reference only, matched according to research direction):

1. Participate in the certification of R&D project requirements based on market and user needs, and develop a system plan for product implementation

2. Participate in the establishment of new product standards, selection and optimization of production and testing equipment, etc

3. Provide technical guidance to the production workshop and solve production process problems

4. Participate in the team's writing of various technical documents during the new product development process, ensuring that the process control documents comply with the R&D control process and relevant quality management standards

5. Follow up on product prototype and assembly, and monitor the progress of mold processing; Responsible for product trial production and mass production follow-up, assisting the production department in proposing improvement plans for product processes

6. Constructing a structural public platform, including drafting design technical specifications, standardizing components, verifying material substitution, conducting case studies, and applying for patents



Job requirements:

1. PhD or above, major in mechanical engineering, automation or related fields

2. Priority given to C9 universities



Welfare benefits:

1. Specific salary negotiable

2. Assist in applying for talent subsidies, approximately 300000 yuan/year * 2 years

3. Generous project awards and year-end bonuses

Xiamen Hongfa Acoustics Co., Ltd. - PhD Researcher

Release time:2024-08-29

Salary:15-25k · 14 Salary
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Job Responsibilities:

1. Participate in academic research in the field of connectors and track the forefront of connector related technologies both domestically and internationally

2. Capable of undertaking various scientific research tasks assigned by the company

3. Actively participate in business learning, training, and various academic exchange activities of the joint-stock company, and undertake research tasks assigned by the unit

Job requirements:

1. Graduates of previous doctoral programs in the fields of radio frequency, microwave, and communication related research

2. Have basic knowledge of microwave transmission theory, signal transmission principles, mechanical theory, mechanical processing, product certification, patents, and standardization

3. Proficient in using mechanical drawing software, simulation analysis software, and data analysis software

4. Good organizational, coordination, and public relations skills, able to use English for technical information retrieval and retrieval

Note: The treatment will be discussed on a case by case basis

Xiamen Hongfa Acoustics Co., Ltd. - Doctoral Researcher (Annual Salary of 300000 to 500000 RMB)

Release time:2024-08-29

Salary:25-40k · 13 Salary
Experience requirements:Less than 1 year
Educational requirements:PhD
Job Description:
Recruiting PhDs in R&D Technology and Production Management, with specific topics as follows:



PhD student in Production Management - Research direction: Industrial engineering related topics, such as:
1. Improvement in on-time completion rate of new product projects: research on project process analysis and optimization, application and optimization of project management tools, etc;
2. Accurate delivery of OTD: analysis and improvement of scheduling factors, exploration of automatic scheduling applications and optimization;
3. Inventory optimization: JIT mode research and application, analysis and research of materials, work in progress finished product inventory, and identification of factors affecting inventory funds







PhD student in research and development technology - research direction: injection molding related topics, such as:
1. Conduct injection molding experiments, analyze and solve the influence of injection process parameters on the formability of parts, predict possible defects, and find suitable process parameters

2. Analyze the internal organizational structure and material properties of injection molded parts
3. Study the impact of commonly used engineering plastics on the lifespan of molds
4. Study the influence of injection molding process on mold life






PhD student in research and development technology - research direction: electroplating related topics, such as:



1. Study the effect of substrate on the corrosion resistance of bond layers from an electrochemical perspective;

2. Research on corrosion protection measures for town layers;

3. Research on surface treatment techniques for non bonded layers;

4. Study the influence of various process parameters on the compactness of coatings from the perspective of electroplating

5. Study the factors affecting contact resistance of contacts throughout the entire manufacturing process;
6. Determine suitable electroplating schemes and contact resistance improvement schemes through research and testing.
Note: This PhD can work in Xiamen or Zhoushan



PhD student in research and development technology - research direction: mechanical automation
Research topic to be determined (mainly focusing on mechanical automation in the electronics industry)


PhD student in research and development technology - research direction: mold related topics, such as:
1. Research on the consistency and stability of mold dimensions;
2. Research on mold lifespan;
3. Research on the characteristics of mold materials

Xiamen Hongfa Acoustics Co., Ltd. - PhD in High Frequency Relay Related Technology Research

Release time:2024-08-29

Salary:30-40k · 14 Salary
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Main research content:
① Research on simulation technology for high-frequency characteristics of high-frequency relays, providing data reference for the design of high-frequency relays
② Research on real-time online testing technology for high-frequency characteristics of high-frequency relays
③ Study the impact of high-frequency loads on high-frequency relays, clarify the failure modes and mechanisms of high-frequency load electrical durability

Research objective:
① Establish a high-frequency relay high-frequency characteristic simulation scheme to provide data reference for the development and design of high-frequency relays
② Establish a set of high-frequency relay high-frequency characteristic online detection equipment
③ Establish a knowledge base for the failure mechanism of high-frequency load electrical durability of high-frequency relays, providing design basis for the development of high-frequency relays

Professional requirements:
① Communication Engineering
② Microwave technology
③ RF technology
④ Have good English listening, speaking, reading, and writing skills; Has good teamwork spirit and strong communication and coordination skills; Serious and rigorous work attitude, proactive and positive

Xiamen Hongfa Acoustics Co., Ltd. - OBC and HCR Electric repulsion research

Release time:2024-08-29

Salary:30-40k · 14 Salary
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Main research content:
① Study the relationship between electric repulsion and environmental temperature, current (magnitude and direction), product structure, contact pressure, contact surface condition (such as surface roughness), contact material (such as hardness), and other factors
② Analyze and predict the dynamic changes in electric repulsion with the increase of durability times and the changes in related factors (such as the decrease in contact pressure and the deterioration of surface contact state)



Topic objective:
① By calculation and simulation, improve the electric stability of products such as HFV19/V29/V22 and OBC relays under high current short-circuit conditions, and ensure that the contacts do not pop open due to the influence of electric repulsion during the entire service life of the relay (mainly considering short-circuit conditions)
② The simulation results are mutually verified with existing empirical calculation formulas, and a reliable regression equation is established. The calculation and analysis accuracy error is within 10%, which guides the optimization of relay structure design with short-circuit electric stability requirements and meets application requirements



Professional requirements:
Electrical Engineering
Mechanics

Xiamen Hongfa Acoustics Co., Ltd. - Ph.D. in DC Relay Arc Simulation Analysis

Release time:2024-08-29

Salary:30-40k · 14 Salary
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Main research content:
Simulation analysis of contact arc

Topic objective:
It can simulate the process of arc blowing, arc ignition time, cooling time, arc ignition energy, etc. Simulation can guide product design in selecting contact materials, shape and size, as well as setting contact gaps, magnetic blowing steel size and position more reasonably, achieving the goal of reducing the volume and copper silver consumption of HFK15 and other products

Professional requirements:
Physics

Electrical Engineering

Xiamen Hongfa Acoustics Co., Ltd. - Doctor of Reliability Analysis and Research

Release time:2024-08-29

Salary:30-40k · 14 Salary
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Main research content:
The research direction is focused on the key reliability technologies of Hongfa products
① Research on Reliability Testing and Evaluation Technology
② Arc research
③ Research on improving and enhancing product reliability

Topic objective:
① Establish a combination of parameter analysis and physical analysis for arc analysis research capability
② Apply analytical research capabilities to promote the reliability improvement of 2-3 relays (including high-voltage DC relays) and other products

Professional requirements:
① Electrical related majors
② Reliability related majors
③ Have good English listening, speaking, reading, and writing skills; Has good teamwork spirit and strong communication and coordination skills; Serious and rigorous work attitude, proactive and positive

Xiamen Hongfa Acoustics Co., Ltd. - Ph.D. in Dynamic Characteristics Analysis of Contact Resistance of DC Relay Contacts

Release time:2024-08-29

Salary:30-40k · 14 Salary
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Main research content:
① Theoretical study on the main influencing factors of contact resistance. The degree of influence of environmental temperature, contact pressure, contact surface condition (such as surface roughness, deposition of metal oxides, silicon, carbon, plastic foreign objects, icing, etc.), contact condition, contact material, etc. on contact resistance, and the contribution of each factor
② The dynamic variation curve of contact resistance with load current and energization time
③ Analyze and predict the dynamic changes in contact resistance as the number of durability cycles increases and related factors change (such as contact pressure drop and surface contact state deterioration)

Topic objective:
① Deepen the research on contact resistance, quantify the contribution of influencing factors on the qualitative basis of traditional theory, calculate and simulate the change curve of contact resistance over time during a single contact based on given boundary conditions, and the change of contact resistance with increasing electrical durability times
② Based on relay test data, set boundary conditions, determine the main interference factors, improve simulation accuracy, and guide product design improvement to reduce contact resistance, enhance contact resistance stability, improve electrical durability, and meet customers' core demands for low and stable contact resistance and long service life
③ Through the above research, guide the production process, ensure the control of core elements, guarantee the stability and consistency of contact resistance of mass-produced products, improve the repeatability and reproducibility of testing, and enhance the contact resistance process capability and stability of the production line
④ Taking HFV19/V29 products as an example, the calculation and analysis accuracy error is within 10%

Professional requirements:
Electrical Engineering

Materials Science and Engineering

Xiamen Hongfa Acoustics Co., Ltd. - PhD in Mechatronics Modeling and Simulation Technology Platform Research

Release time:2024-08-29

Salary: 30-40k
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Research content:
1. Based on Siemens mechatronics simulation software, achieve virtual simulation of automation equipment motion (and ultimately achieve consistency with physical systems) for self modeling, simulation, and analysis.
2. Build an independent standard component library (FA parts, realizing one-time use and automatic storage) based on INVENTOR software to achieve data management.
3. Development of automated automatic cycle simulation software, which achieves automatic production cycle data and charts through parameterized import.
4. Simulation research on flexible automation assembly technology.
Topic objective:
1. By importing Siemens electromechanical simulation software, the software can be fully applied in the development of automation equipment within the company, reducing design error rates and improving design efficiency by 20%.
2. Establish an independent design resource library for the company, achieve fast and efficient referencing, and improve design efficiency by 20%.
3. Through rhythm simulation software, achieve rapid rhythm simulation, error correction, and improve design quality. Reduce error rate by 50%
4. Flexible automation equipment involves compatibility, and through design simulation, error correction, and improvement of design quality.
Qualifications for the position:
1. Mechanical and electrical engineering, automation related majors;
2. Proficient in using simulation software, INVENTO and other 3D design software

Xiamen Hongfa Acoustics Co., Ltd. - PhD in Signal Integrity Theory and Electromagnetic Simulation Research

Release time:2024-08-29

Salary: 30-40k
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Research content: The impact of high signal transmission rate and high channel density on high-speed connectors
Topic objective:
1. Research on signal integrity during high-speed connector signal transmission: including the following three aspects: ① Discontinuity and reflection caused by it; ② Crosstalk; ③ Signal attenuation.
2. Guide the product development of high-speed connectors.
Qualifications for the position:
1. Electromagnetic field and microwave technology;
2. Simulation software: Ansoft HFSS 3D electromagnetic simulation

Xiamen Hongfa Acoustics Co., Ltd. - PhD in Glass Sealing Research

Release time:2024-08-29

Salary: 30-40k
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Job Description:
Research content: Based on Hongfa tube shell products, study glass sealing, glass performance characterization, and influencing factors
1. Establish a research platform and performance characterization method for glass sealing
2. Research on advanced glass sealing technology both domestically and internationally
3. Based on practical product development cases, apply advanced glass sealing technology research results to guide product design

Topic objective:
1. Establish a complete set of glass sealing methods
2. Know How to establish the influencing factors of glass sealing performance
3. The performance of glass sealing products is comparable to similar products in the same industry both domestically and internationally
4. Guide the development of at least one product

Job requirements:
1. Inorganic non-metallic materials related majors
2. Background in glass sealing theory
3. Have experience in glass sealing and stress simulation research
4. Has good teamwork spirit and strong communication and coordination skills; Serious and rigorous work attitude, proactive and positive

Xiamen Hongfa Acoustics Co., Ltd. - PhD in Electroplating Technology for Iron, Aluminum, Copper and Other Metal Components

Release time:2024-08-29

Salary:30-40k · 14 Salary
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Main research content:
1. Electroplating quality control and testing: researching how to effectively monitor and control the quality of the electroplating process, including developing new testing methods
2. Electroplating process simulation and emulation: Predicting and optimizing the electroplating process through mathematical models or computer simulations, establishing an evaluation mechanism for electroplating process parameters
3. Electroplating process optimization:
3.1 Optimization of Electroplating Process (Research on Gold Plating of Silver Magnesium Nickel Spring Plates)
Using silver magnesium nickel material as the substrate, study the influencing factors of the quality of the gold plating layer on the contact resistance and anti adhesion of the silver magnesium nickel spring
3.2 Electroplating Process Optimization (Research on Nickel Replacement Prevention of Electroplating Pure Gold)
Based on the partial gold plating process of the UPP3528 tube shell product, this study investigates how to prevent the nickel plating layer from replacing the gold reaction when electroplating pure gold on the product lead out pin without power supply to the shell

Research objective:
1. Establish a complete monitoring method for electroplating process
2. Establish an evaluation model for electroplating parameters
3. Guide at least one product's electroplating process optimization
3.1 Optimization of Electroplating Process (Research on Gold Plating of Silver Magnesium Nickel Spring Plates)
① Establish quality evaluation standards and methods for the gold plating layer of silver magnesium spring leaves
② Establish control requirements for the gold plating process of silver magnesium nickel spring plates
③ Determine the mechanism and main factors affecting the contact resistance and anti adhesion performance of the gold plating layer on relays
3.2 Electroplating Process Optimization (Research on Nickel Replacement Prevention of Electroplating Pure Gold)
① Suggest the process method of locally plating pure gold on this type of product
② Establish a plating solution formula and control method for localized pure gold plating
③ Mass production application of shell products

Professional requirements:
① Chemistry related majors
② Background in material anti-corrosion, chemical surface treatment theory, and reagent formulation research
③ Has good hands-on ability and teamwork spirit, strong communication and coordination skills; Serious and rigorous work attitude, proactive and positive

Xiamen Hongfa Acoustics Co., Ltd. - Headquarters - PhD in Automation Processing of High Precision Mold Parts

Release time:2024-08-29

Salary: 29-40k
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Main research content:

① Research on how to automatically identify models through software, develop machining processes and techniques for parts

② Research the method of writing macro programs for equipment

③ Study how macro programs can be matched with current automated machining systems

④ Research on how machine tools can read data from three-dimensional measurements and locate and center electrodes and components

⑤ Research on how to import data from machine tool segmentation into automated machining



Research topic objective:

① Establish a set of on-site automatic layout process methods

② Establish a set of automated machining processes suitable for on-site processing

③ Avoiding repeated positioning errors of fixtures

④ Complete the automated processing of precision mold components

⑤ Promote paperless mold processing



Professional requirements:

① Materials Science and Engineering

② Material Forming and Control Engineering

③ Mechanical design, manufacturing, and automation

④ Has good teamwork spirit and strong communication and coordination skills; Serious and rigorous work attitude, proactive and positive

Xiamen Hongfa Acoustics Co., Ltd. - Headquarters - Research on Wear Behavior and Life of Mold Processing Tools PhD

Release time:2024-08-29

Salary: 29-40k
Experience requirements: Unlimited experience
Educational requirements:PhD
Job Description:
Research content:

1. Establish a reliable finite element simulation model for metal processing, quantitatively predict and analyze the factors affecting tool wear during the processing

2. By systematically analyzing the wear process and wear morphology of cutting tools, explore and reveal the wear mechanism of cutting tools

3. Based on the working load and wear mechanism of the tool, optimize the tool processing technology (chip amount, speed, lubrication conditions, coating, etc.) and the material of the processed mold, improve the surface processing quality of the mold parts, and extend the life of the mold

4. Conduct research on tool surface strengthening technology, study the influence of tool materials (tool substrate materials, coating materials) and tool surface states on tool wear, and optimize tool processing parameters to improve tool wear resistance and service life



Topic objective:

1. Establish a set of tool selection standards suitable for on-site machining machines

2. Reduce the cost of using cutting tools

3. Improve the service life of cutting tools

4. Develop reasonable tool processing parameters (speed, feed rate, cutting amount) to form standardization



Professional requirements:

① Materials Science and Engineering

② Material Forming and Control Engineering

③ Mechanical design, manufacturing, and automation

④ Has good teamwork spirit and strong communication and coordination skills; Serious and rigorous work attitude, proactive and positive