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Shanghai Ruiyun Chemical Technology Co., Ltd. is a high-tech chemical enterprise integrating scientific research, development, production, and sales. The company's R&D center is located in the National University Science Park of East China University of Science and Technology, with two production bases situated in Changzhou and Lianyungang, Jiangsu Province, offering very convenient transportation.

The company collaborates with research institutions such as East China University of Science and Technology, the Shanghai Institute of Organic Chemistry of the Chinese Academy of Sciences, and the Shanghai Institute of Pharmaceutical Industry to actively develop new products. The products are of stable quality and offer good value for money, and are exported to regions including Europe, America, and Southeast Asia.

The company primarily produces a range of intermediates, including indole series intermediates, organic photoconductive materials (OPC/OLED), and amino acid peptide synthesis reagents, and is gradually expanding into active pharmaceutical ingredients (APIs). It can also develop and customize new products according to customer needs. The company is equipped with comprehensive quality testing methods and instruments (such as GC, HPLC, GC-MS, FT-IR, LC-MS, 300M NMR, etc.) and a convenient literature retrieval system, enabling it to quickly fulfill customer requests.