777# jingfeng Road Suzhou, Jiangsu
ChonTech is a technology based company which embraces R&D , production, and sales. It was originally founded in Connecticut USA 2000. ChonTech\'s head-office located Suzhou High-Tech Industrial Zoon.We have “state of the art” Center with full quality ...
chiral building blocks, acetophenones, boronic acids, indoles, indanones, pyridines, pyrimidines, pu