4-chloro-17a-methyl androst-1,4 diene-3-17b-dione

Hebei Shengyuan Jinlong Imp. & Exp. Co., Ltd. is a modern advanced enterprise specializing in production and exportation of APIs, peptides, plant extracts etc., has invested and closed cooperated with domestic manufacturers qualified with GMP, DMF, FDA and Laboratories from famous Universities to meet the different customers needs from grams to tonnage quantity, which makes Hebei Shengyuan Jinlong to be more flexible and easily to supply highly cost-effective products with high quality and better service to customers. Hebei Shengyuan Jinlong is always stands in high starting, is a modern advanced enterprise specializing in production and exportation of APIs, peptides, plant extracts etc., has invested and closed cooperated with domestic manufacturers qualified with GMP, DMF, FDA and Laboratories from famous Universities to meet the different customers needs from grams to tonnage quantity, which makes Hebei Shengyuan Jinlong to be more flexible and easily to supply highly cost-effective products with high quality and better service to customers