Located at 14 Dadun, Chengtang, Jintan, Jiangsu province, our factory enjoys good location. Jintan City Xingyu Chemical Research Institute is a specialized researcher, developer and manufacturer of pharmaceutical intermediates, including heterocyclic pharmaceutical intermediates (indole, purine and pyridine, etc.) and APIs. With the development of our business, we now have had the good ability to perform a series of reactions, including oxidization, diazotization, Hofmann degradation, aminolysi...