1. Ensure the operation in chemical lab comply with the requirement of China regulatory, Renal Corporate and EHS. 2. Responsible for the set up of the quality standard for and test method for raw materials, excipients and products 3. Responsible for the release of the raw material and excipient and products. 4. Implement and improve the stability study program according to the requirement of ChP. and Corporate, to ensure the safety and validity of product during shelf life. 5. Responsible for the mixing exception handling during production process. 6. 7 Implement GLP in chemical lab. 7. Responsible for the sterilization, solution transmission and water system Chem. related exceptions handling and product evaluation.