1. Master's degree or above, graduated from related majors such as optical engineering, optoelectronic information technology, precision instruments, etc., aged 25-40;

2. Familiar with the optical principles of optical thin films or devices used in fields such as display, monitoring, and reflection;

3. Familiar with design software related to optical thin films and optical instruments;

4. Proficient in using design software to independently carry out design and simulation work.

1. Bachelor's degree or above, major in International Trade, English, Spanish or related fields, aged 23-35;

2. CET-4 or above, fluent in spoken English;

3. Strong expression and learning abilities, positive and diligent, requiring a certain level of stress resistance and execution ability.

1. College degree or above, with no restrictions on majors, aged 25-38;

2. More than one year of sales work experience; Strong communication and coordination skills, strong sense of work responsibility, proficient in office software;

3. Proficient in using office software;

4. Has a certain level of pressure resistance and execution ability;

5. Able to travel for 15-18 days per month.

1. College degree or above, with no major restrictions, aged 25-35;

2. Having 1-3 years of system work experience, familiar with the requirements of ISO9001, ISO14001, and ISO45001 standards, with IATF16949 experience preferred; Having unique ideas, ideas, and innovations in work methods;

3. Experience in assisting in writing management system documents, system implementation, and quality management.

1. Bachelor's degree or above, major in polymer and chemical engineering, aged 25-40;

2. More than 5 years of technical research and development experience in release materials (release paper or release film);

3. Familiar with the production process, equipment, and materials of release materials, familiar with the product development process, able to independently carry out product research and technological innovation work;

4. Familiar with the application of release materials, able to provide technical support and guarantee for market expansion and customer needs;

5. Have some experience in team building or management.

1. Bachelor's degree or above, major in polymer and chemical engineering, aged 25-40;

2. More than 5 years of experience in on-site process control for solvent based resin synthesis;

3. Familiar with the production process and equipment of resin synthesis, familiar with the control requirements and methods in the resin synthesis production process;

4. Be able to independently prepare resin synthesis operation documents according to formula requirements and provide technical support for the production site;

5. Familiar with the methods and instruments for resin property testing, proficient in operating relevant instruments.

1. College degree or above, majoring in Human Resources, Management or related fields, aged 25-35;

2. More than 1 year of work experience in human resource management;

3. Has received training in human resource management, labor relations management, and other areas;

4. Good writing skills, communication and adaptability, familiar with labor laws and regulations, proficient in operating office software;

5. Has affinity, professionalism, and team spirit, works diligently and responsibly, can withstand work pressure, and has a firm and upright stance.