Shangyu Sanwei Chemical Co., Ltd is located in Hangzhou Bay Economic and Technological Development Zone. Sanwei built strategic partner relationships with China North Industries Group Corporation and Dalian University of Technology. On the strength of their excellent R&D ability and Nitrification experience Sanwei engaged in the production & research of pharmaceutical&dye intermediates and industrial fungicides.

Since established in 2003, Sanwei focused on technological innovation and management innovation all the time and had already became an important domestic biocide & preservative manufacturer and produced many different kinds of biocide active ingredients like BIT, SPT, MIT and so on. On the basis of cooperaiton with world leading company Sanwei also began to develop kinds of formulations together with our customer which can be directly used in different industry areas.

Sanwei also produce P- Nitro Benzoic Acid which is mainly exported to North America, Europe, Japan, Southeast Asia and so on.  Thanks for good quality our products are very popular among our customers.

Sanwei would like to make friends with all customers coming from worldwide and seek a new chapter of development together.