Changzhou Hopschain Chemical Co.,Ltd.
Telephone0519-85528066 13775048983
Websitehttp://www.hopschem.com/
Amatek Scientific Co. Ltd.
Telephone0512-56316828
Websitehttp://www.amateksci.com
Henan Pusai Chemical Products Co., Ltd.
Telephone0371-63357898
Websitehttp://www.psaichem.com
Block Chemical Technology (Shanghai) Co., LTD
Telephone021-20432219 13918097649
Websitehttps://www.acblock-lab.com
Shandong Liteng Biotechnology Co., Ltd
Telephone18663721413 18663721413
Websitehttps://www.litengpharm.com/