1. Job Responsibilities: - Responsible for the iteration and optimization of core weight technologies, with a strong focus on in-depth R&D and application of new materials such as JF-1 non-magnetic stainless steel, to enhance product accuracy and service life; - Undertake structural design and parameter calculations for customized weights (e.g., sensor calibration weights, high-precision metrological weights), and develop feasible R&D solutions tailored to customer requirements; - Assist in refining production processes and optimizing weight manufacturing workflows (including cutting, grinding, and polishing), resolve technical challenges encountered during production, and improve production efficiency and product pass rates; - Monitor domestic and international metrology standards (such as OIML R111 and JJG 99) as well as cutting-edge industry technologies, and conduct innovation-driven research aligned with the company’s operational realities; - Record R&D data, prepare R&D reports, organize technical documentation, and participate in the development and refinement of company technical specifications and standards; - Collaborate with production and testing departments to provide technical support, ensuring smooth translation and implementation of R&D outcomes. 2. Job Requirements: - Education: Associate degree or above; candidates with majors in Metrology Engineering, Materials Science and Engineering, Mechanical Design and Manufacturing, or Automation are preferred. - Experience: 1–3 years or more of experience in the R&D of measuring instruments and precision components is preferred; recent graduates are also welcome (candidates with relevant internship experience and familiarity with weight products will be given extra consideration). - Professional Competence: Familiarity with metrology standards, understanding of the properties of stainless steel and other metallic materials, and basic capabilities in structural design and process optimization; proficient in CAD and other design software, with solid data analysis and problem-solving skills. - Personal Qualities: Adhering to the philosophy of “accuracy first, craftsmanship and dedication,” meticulous and detail-oriented, innovative, with strong teamwork, communication, and execution skills, able to deliver R&D tasks in a down-to-earth and reliable manner. - Other: Committed to the company’s corporate culture, willing to dedicate oneself to the R&D of high-precision weights, and open to undertaking periodic technical surveys and process optimization assignments. 3. Benefits: - Compensation: Base salary plus R&D performance bonus and project bonuses, with compensation determined based on individual capabilities and experience; special salary allowances will be provided for core technical talent. - Development: Benefiting from a mentorship program that pairs experienced staff with newcomers, along with industry-specific technical training and hands-on process workshops to support continuous professional growth. - Benefits: Participation in the five social insurances and one housing fund, paid annual leave, holiday benefits, regular health check-ups, seniority allowances, and other perks. - Work Environment: Leveraging the company’s more than forty years of technological expertise, fostering a work environment that values technical excellence and innovation, offering ample opportunities for career advancement, and enabling both individual and organizational growth.

1. Job Responsibilities: - Responsible for the iteration and optimization of core weight technologies, with a strong focus on in-depth R&D and application of new materials such as JF-1 non-magnetic stainless steel, to enhance product accuracy and service life; - Undertake structural design and parameter calculations for customized weights (e.g., sensor calibration weights, high-precision metrological weights), and develop feasible R&D solutions tailored to customer requirements; - Assist in refining production processes and optimizing weight manufacturing workflows (including cutting, grinding, and polishing), resolve technical challenges encountered during production, and improve production efficiency and product pass rates; - Monitor domestic and international metrology standards (such as OIML R111 and JJG 99) as well as cutting-edge industry technologies, and conduct innovation-driven research aligned with the company’s operational realities; - Record R&D data, prepare R&D reports, organize technical documentation, and participate in the development and refinement of company technical specifications and standards; - Collaborate with production and testing departments to provide technical support, ensuring smooth translation and implementation of R&D outcomes. 2. Job Requirements: - Education: Associate degree or above; candidates with majors in Metrology Engineering, Materials Science and Engineering, Mechanical Design and Manufacturing, or Automation are preferred. - Experience: 1–3 years or more of experience in the R&D of measuring instruments and precision components is preferred; recent graduates are also welcome (candidates with relevant internship experience and familiarity with weight products will be given extra consideration). - Professional Competence: Familiarity with metrology standards, understanding of the properties of stainless steel and other metallic materials, and basic capabilities in structural design and process optimization; proficient in CAD and other design software, with solid data analysis and problem-solving skills. - Personal Qualities: Adhering to the philosophy of “accuracy first, craftsmanship and dedication,” meticulous and detail-oriented, innovative, with strong teamwork, communication, and execution skills, able to deliver R&D tasks in a down-to-earth and reliable manner. - Other: Committed to the company’s corporate culture, willing to dedicate oneself to the R&D of high-precision weights, and open to undertaking periodic technical surveys and process optimization assignments. 3. Benefits: - Compensation: Base salary plus R&D performance bonus and project bonuses, with compensation determined based on individual capabilities and experience; special salary allowances will be provided for core technical talent. - Development: Benefiting from a mentorship program that pairs experienced staff with newcomers, along with industry-specific technical training and hands-on process workshops to support continuous professional growth. - Benefits: Participation in the five social insurances and one housing fund, paid annual leave, holiday benefits, regular health check-ups, seniority allowances, and other perks. - Work Environment: Leveraging the company’s more than forty years of technological expertise, fostering a work environment that values technical excellence and innovation, offering ample opportunities for career advancement, and enabling both individual and organizational growth.

1. Job Responsibilities: - Responsible for end-to-end precision testing of finished and semi-finished weights, strictly adhering to domestic and international metrology standards such as OIML R111 and JJG 99, conducting value calibration, error detection, and other related tasks to ensure that every weight meets accuracy requirements and that measurement values are traceable; - Proficient in operating various specialized metrological testing instruments (such as electronic balances and weight calibration devices), systematically performing routine instrument adjustment, calibration, and maintenance to ensure proper operation of testing equipment and the accuracy and reliability of test data; - Carefully record testing data and error information for each batch of products, accurately complete testing record forms, and issue compliant test reports with precise data, clear handwriting, and standardized archiving; - Coordinate with the production department, promptly report any product accuracy issues or process defects identified during testing, assist in analyzing the root causes, propose targeted improvement recommendations, and help enhance product pass rates; - Strictly comply with the company’s testing management regulations, uphold the principle of “precision first,” prevent non-compliant products from leaving the factory, and safeguard the company’s reputation and the integrity of the metrology industry; - Organize and archive test reports and technical documentation, keep abreast of updates to metrology standards, and promptly adjust testing procedures and methods to ensure compliance and efficient execution of testing activities; - Collaborate with R&D and after-sales departments to provide technical support for testing, assist in developing testing plans for customized weights, and respond to after-sales testing inquiries. 2. Job Requirements: - Education: Associate degree or above; candidates with majors in metrology and testing technology, measurement and control technology and instrumentation, metrology engineering, or related fields are preferred. Candidates holding a metrologist professional qualification certificate (junior level or higher) will receive additional points. - Experience: 1–2 years or more of experience in metrology and testing; priority will be given to candidates with experience in testing weights and precision measuring instruments. Recent graduates are also welcome to apply (additional points will be awarded to those with relevant internship experience and familiarity with metrology standards). - Professional Competence: Thorough understanding of the fundamental theories of metrological testing, familiarity with relevant standards such as OIML R111 and JJG 99, and ability to independently operate testing instruments like electronic balances and calibration devices. Strong data analysis skills, with the ability to accurately assess product accuracy deviations and prepare compliant test reports in accordance with established procedures. - Personal Qualities: Meticulous and detail-oriented, with a strong sense of responsibility and a “no compromise” work ethic. Possess excellent execution skills and team collaboration abilities, communicate effectively, and strictly adhere to testing procedures and internal regulations. - Other: Align with the company’s corporate culture, uphold the spirit of metrological craftsmanship, be committed to deepening expertise in weight testing, able to adapt to regular testing duties, and committed to avoiding perfunctory or fraudulent practices. 3. Job Benefits: - Compensation: Base salary plus performance-based bonuses and full-attendance awards, with salaries determined based on education, experience, and certification status. Special allowances will be provided to key employees who hold certifications and demonstrate technical proficiency. - Training: Benefit from a mentorship program that pairs experienced staff with newcomers, offering training in metrology standards and operation of testing instruments to help enhance professional skills and qualifications. - Benefits: Participation in the five social insurances and one housing fund, paid annual leave, holiday benefits, regular health check-ups, seniority allowances, high-temperature allowances, and other comprehensive employee benefits, ensuring a robust employee welfare system. - Work Environment: Leveraging the company’s more than forty years of accumulated expertise in metrology, we foster a rigorous, pragmatic, and technically respectful work environment, with clear career progression paths (from Testing Technician to Testing Supervisor to Technical Specialist), enabling personal growth to align seamlessly with corporate development.