Zhejiang Bulk Chemical Co.,Ltd wan founded in 2003 in Quzhou,Zhejiang over a field of 15000 square meters,Backed by state-of-the-art technologies and up-to-date management focus, the company has grown up into an energetic technology- -based entity that is dedicated to research and manufacturing of synthetic chemicals from kilo scale up to bulk quantities for industrial production.BulkChem is the main manufacturer of coupling reagent, EDC HCl, in China. Our major products include EDC.HCl、DIC、DIPEA、HATU、MTZ、PMT.