Yangzhou Princechem Co., Ltd. is located in Yangzhou City, Jiangsu Province. It was established in 2003. Its main business is the research and development and production of new pharmaceutical intermediates, special chemicals and characteristic generic drugs. The company has controlling or participating factories in Yangzhou, Jiangsu, Anqing, Anqing, Inner Mongolia and other places. In downtown Yangzhou, there are business centers and R&D centers.

The reaction types that the company is good at include: etherification, ammoniation, chlorination, esterification, cyclization, hydrogenation, Grignard reaction, etc. Over the past 10 years, more than 400 catalogue products have been developed; including 40 key pharmaceutical intermediates More than one, involving anti-cancer, cardiovascular, digestive system, mental diseases and other fields, including quetiapine, fluvaroxamine, erlotinib, gefitinib, sunitinib, lapatinib, Key intermediates of APIs such as beprazole and lafutidine. Over the years, it has been providing high-quality pharmaceutical intermediates to many world-renowned pharmaceutical companies.

In 2011, the company was rated as "High-tech Enterprise". The company adheres to the line of scientific and technological innovation. The company has more than 10 authorized invention patents.

The company insists on using the international standard management system to promote the company's various management work, and has established ISO9001:2000 quality management system, ISO14001:2004 environmental management system, and OHS18001:1999 occupational health and safety management system. Over the past few years, it has passed the on-site audit of more than 20 international and domestic pharmaceutical companies.