Wishchem Co., Ltd.(Formerly Jintan Jinzheng Chemical Co., Ltd.) has been providing custom and toll manufacturing of specialty chemicals for many years. Specializing in complex and multi-step chemical processing, the company serves a worldwide market and has been ISO 9001 Certified since 1998. Wishchem offers complete process development services supported by on-site R&D Laboratories, pilot plant and a corporate technical center. Wishchem can provide a series of heterocyclic compounds included pyrimidines, indoles triazines, naphthalenes etc. Following technological development carefully, and supplying high quality products and services at internationally competitive prices, Wishchem works hard on the development of heterocyclic compounds and is well integrated with each partner all over the world for developing fine chemical industry of China. Wishchem sincerely welcomes your business and custom-manufacturing. Lets' work together for mutual development!