Nanjing Well Pharmaceutical Group Co.,Ltd. focuses on the research and development, production, and sale of pharmaceutical auxiliary materials in China. Its pharmaceutical materials include excipients for injectables and non-injectables. The company also provides synthetic base oils, such as hydraulic fluids, lubricity additives for metals, metal quenching, base fluids and lubricity additives, synthetic base for compress lubricants, synthetic base oil for gear, base oil of chain lubricants, base stock of engine oil, base stock of heat transfer oil, and base oil of grease; and other products, including painting and coating, textile chemicals, field chemicals, and low foam metal cleaners. It also exports its products to Europe, the United States, Southeast Asia, and internationally. The company was formerly known as Nanjing Well Pharmaceutical Co.,Ltd. and changed its name to Nanjing Well Pharmaceutical Group Co.,Ltd. in April 2020. The company was founded in 2000 and is based in Nanjing, China.