1. Product development: Combined with the company's development focus and product structure, organic synthesis process research (including impurity analysis of existing processes, impurity formation mechanism research, impurity control strategy research, etc.) and the whole process research and development of organic synthesis route design, pilot, pilot and large-scale production; 2, technical guidance and problem solving: use relevant organic chemistry knowledge to guide new projects, workshops and other issues; 3. Laboratory construction and management: set up a professional R & D team and set up a professional laboratory according to the development needs of the company's R & D platform. 4. Project planning and execution: Participate in or be responsible for the planning, design and execution of R&D projects to ensure the realization of project objectives. 5, technical exchanges and cooperation: technical exchanges and cooperation with domestic and foreign research institutions, universities, the introduction of advanced technology and management experience. Catalytic direction (Zhejiang 1. Experimental design and execution: designed and executed carbonylation reaction experiments according to project requirements, including but not limited to ligand synthesis, optimization of reaction conditions, etc.; 2. Ligand research: responsible for theoretical calculation and design of ligand to improve the efficiency and selectivity of carbonylation reaction; 3. Data analysis and interpretation: Conduct in-depth analysis of experimental data, interpret experimental results, and provide basis for further research direction; 4. Project planning and management: Participate in or be responsible for research planning, design and management of carbonylization related projects. Promote the innovation of carbonylation reaction technology and explore new application areas. Separation direction (Zhejiang 1. Design and execute experiments: Participate in the experimental design of product separation process, including but not limited to distillation, chromatographic separation, membrane separation and other technologies; Perform and ensure the accuracy and safety of experimental operations; 2, equipment operation and maintenance: skilled operation of laboratory separation equipment, such as distillation tower, chromatograph, membrane separation system, etc. And regularly maintain and calibrate the equipment to ensure stable performance; 3. Data collection and analysis: Timely and accurately record all data and phenomena during the experiment, including key parameters such as temperature, pressure and flow rate. Nutrient emulsion embedding direction (Zhejiang 1. Market, technical research and feasibility analysis of new pharmaceutical products; 2, astaxanthin preparation product stability, bioavailability improvement; 3. Carry out forward-looking technology research to provide strategic reserves for the company's technology upgrading and product development; 4, support the transformation of new products from research and development to production, to ensure the smooth transition of technology to the production line; 5, responsible for technical exchanges with domestic and foreign experts to promote technical cooperation. Material Application direction (Zhejiang 1, Product research: according to market research information, combined with literature, patents, to form a complete research report; 2, formula research and development: according to the company's strategic development needs and R & D plan, carry out formula research, design feasible experimental schemes, optimize process conditions, develop testing methods, and get specifications that meet customer and market demand; 3. Data analysis and problem solving: Conduct in-depth analysis of experimental data, interpret experimental results, and provide basis for further research direction; 4, product market application: Connect with the client, provide solutions to product application defects, and help customers achieve application effects; 5, external exhibitions, conferences, university exchanges: participate in external related conferences and exhibitions, promote and develop products, and improve brand effect and R&D efficiency through industry-university-research cooperation with universities. Flow field simulation direction (Zhejiang 1. Responsible for modeling and calculation analysis of equipment or system related to project design under different fluid media; 2. After completing the simulation calculation, prepare relevant reports and record the analysis process and results; 3. Apply CFD analysis and design results to the design and optimization of actual projects to improve the efficiency and effect of project implementation ‌; 4. Responsible for the daily management and maintenance of the company's simulation platform, and coordinate the development of the company's simulation work; ‌ 5, with relevant professional knowledge and skills, such as proficient in modeling software, CFD technology, and familiar with various simulation software, such as FLUENT, CFX, NUMECA, STAR-CCM+, OpenFOAM, etc. Direction of biological fermentation (Zhejiang 1. Carry out strain transformation using Escherichia coli as chassis cells, including metabolic engineering transformation of chassis strains, plasmid construction of synthetic pathway and enzyme transformation; 2, responsible for or participate in the metabolic engineering transformation of microbial strains and synthetic capacity screening, fermentation conditions optimization; 3, complete the corresponding experimental results analysis, sorting and archiving, and jointly discuss innovative research and development programs; Polymer direction (Zhejiang 1. New product research: responsible for technical research of new products in related fields of the company, collecting technical information of similar products at home and abroad, and participating in the formulation of technical development strategy planning of R&D projects; 2, new product research and development: responsible for the research and development of new products, including but not limited to the synthesis of polymer materials, performance evaluation and application development; 3, technical research and product development: solve the key technical problems in the development and processing modification of special polymer new products, and promote the transformation and industrialization of scientific and technological achievements; 4. R & D project management: formulate R & D objectives and plans, organize the implementation of related R & D projects, and complete the R & D project tasks as planned; 5. Team building and personnel training: Participate in the personnel training and echelon construction of the R & D team, provide technical guidance and professional training for team members; 6, technical report writing: write technical research reports, R & D project reports, to provide basis for the company's decision-making. Fermentation process direction (Heilongjiang 1, the company's new product fermentation process development, including media optimization, fermentation process optimization; 2, develop innovative research and development and technical transformation topics, and follow up the implementation, continue to improve product competitiveness; 3, solve the process and technical problems in the fermentation process of existing products to ensure stable production; 4. Participate in R&D team personnel training and echelon construction, provide technical guidance and professional training. 1. Major requirements: Chemical engineering, organic synthesis, organic chemistry, food, separation, analysis, crystallization, food, safety, synthetic biology, biological molecular science, genetic modification, enzyme engineering/catalysis, metabolic engineering, fermentation, polymer or related major or research direction; 2. Language: Good command of English, listening, speaking, reading and writing is preferred.

1. Product development: Combined with the company's development focus and product structure, organic synthesis process research (including impurity analysis of existing processes, impurity formation mechanism research, impurity control strategy research, etc.) and the whole process research and development of organic synthesis route design, pilot, pilot and large-scale production; 2, technical guidance and problem solving: use relevant organic chemistry knowledge to guide new projects, workshops and other issues; 3. Laboratory construction and management: set up a professional R & D team and set up a professional laboratory according to the development needs of the company's R & D platform. 4. Project planning and execution: Participate in or be responsible for the planning, design and execution of R&D projects to ensure the realization of project objectives. 5, technical exchanges and cooperation: technical exchanges and cooperation with domestic and foreign research institutions, universities, the introduction of advanced technology and management experience. Catalytic direction (Zhejiang 1. Experimental design and execution: designed and executed carbonylation reaction experiments according to project requirements, including but not limited to ligand synthesis, optimization of reaction conditions, etc.; 2. Ligand research: responsible for theoretical calculation and design of ligand to improve the efficiency and selectivity of carbonylation reaction; 3. Data analysis and interpretation: Conduct in-depth analysis of experimental data, interpret experimental results, and provide basis for further research direction; 4. Project planning and management: Participate in or be responsible for research planning, design and management of carbonylization related projects. Promote the innovation of carbonylation reaction technology and explore new application areas. Separation direction (Zhejiang 1. Design and execute experiments: Participate in the experimental design of product separation process, including but not limited to distillation, chromatographic separation, membrane separation and other technologies; Perform and ensure the accuracy and safety of experimental operations; 2, equipment operation and maintenance: skilled operation of laboratory separation equipment, such as distillation tower, chromatograph, membrane separation system, etc. And regularly maintain and calibrate the equipment to ensure stable performance; 3. Data collection and analysis: Timely and accurately record all data and phenomena during the experiment, including key parameters such as temperature, pressure and flow rate. Nutrient emulsion embedding direction (Zhejiang 1. Market, technical research and feasibility analysis of new pharmaceutical products; 2, astaxanthin preparation product stability, bioavailability improvement; 3. Carry out forward-looking technology research to provide strategic reserves for the company's technology upgrading and product development; 4, support the transformation of new products from research and development to production, to ensure the smooth transition of technology to the production line; 5, responsible for technical exchanges with domestic and foreign experts to promote technical cooperation. Material Application direction (Zhejiang 1, Product research: according to market research information, combined with literature, patents, to form a complete research report; 2, formula research and development: according to the company's strategic development needs and R & D plan, carry out formula research, design feasible experimental schemes, optimize process conditions, develop testing methods, and get specifications that meet customer and market demand; 3. Data analysis and problem solving: Conduct in-depth analysis of experimental data, interpret experimental results, and provide basis for further research direction; 4, product market application: Connect with the client, provide solutions to product application defects, and help customers achieve application effects; 5, external exhibitions, conferences, university exchanges: participate in external related conferences and exhibitions, promote and develop products, and improve brand effect and R&D efficiency through industry-university-research cooperation with universities. Flow field simulation direction (Zhejiang 1. Responsible for modeling and calculation analysis of equipment or system related to project design under different fluid media; 2. After completing the simulation calculation, prepare relevant reports and record the analysis process and results; 3. Apply CFD analysis and design results to the design and optimization of actual projects to improve the efficiency and effect of project implementation ‌; 4. Responsible for the daily management and maintenance of the company's simulation platform, and coordinate the development of the company's simulation work; ‌ 5, with relevant professional knowledge and skills, such as proficient in modeling software, CFD technology, and familiar with various simulation software, such as FLUENT, CFX, NUMECA, STAR-CCM+, OpenFOAM, etc. Direction of biological fermentation (Zhejiang 1. Carry out strain transformation using Escherichia coli as chassis cells, including metabolic engineering transformation of chassis strains, plasmid construction of synthetic pathway and enzyme transformation; 2, responsible for or participate in the metabolic engineering transformation of microbial strains and synthetic capacity screening, fermentation conditions optimization; 3, complete the corresponding experimental results analysis, sorting and archiving, and jointly discuss innovative research and development programs; Polymer direction (Zhejiang 1. New product research: responsible for technical research of new products in related fields of the company, collecting technical information of similar products at home and abroad, and participating in the formulation of technical development strategy planning of R&D projects; 2, new product research and development: responsible for the research and development of new products, including but not limited to the synthesis of polymer materials, performance evaluation and application development; 3, technical research and product development: solve the key technical problems in the development and processing modification of special polymer new products, and promote the transformation and industrialization of scientific and technological achievements; 4. R & D project management: formulate R & D objectives and plans, organize the implementation of related R & D projects, and complete the R & D project tasks as planned; 5. Team building and personnel training: Participate in the personnel training and echelon construction of the R & D team, provide technical guidance and professional training for team members; 6, technical report writing: write technical research reports, R & D project reports, to provide basis for the company's decision-making. Fermentation process direction (Heilongjiang 1, the company's new product fermentation process development, including media optimization, fermentation process optimization; 2, develop innovative research and development and technical transformation topics, and follow up the implementation, continue to improve product competitiveness; 3, solve the process and technical problems in the fermentation process of existing products to ensure stable production; 4. Participate in R&D team personnel training and echelon construction, provide technical guidance and professional training. 1. Major requirements: Chemical engineering, organic synthesis, organic chemistry, food, separation, analysis, crystallization, food, safety, synthetic biology, biological molecular science, genetic modification, enzyme engineering/catalysis, metabolic engineering, fermentation, polymer or related major or research direction; 2. Language: Good command of English, listening, speaking, reading and writing is preferred.