Analytical Systems G. Obst

Changsha Comext Biotech Co., Ltd. is a high-tech enterprise with the main business of natural extracts. Our products are in line with CP, EP and USP, can be widely used in food additives, dietary supplements, health products, cosmetics, medicine, fee

Yixing Chengyuan Chemical Co., Ltd. (formerly Yixing Jialingda Chemical Co., Ltd.) is located on the beautiful shore of the Taihu Lake Lake. It is adjacent to the Taihu Lake Lake in the east and Jinling Lake in the west. Our factory was established i