Amatek Scientific Co. Ltd.
Telephone0512-56316828 4008675858
Websitehttp://www.amateksci.com
Labnetwork lnc.
Telephone+86-27-50766799 +86-18062016861
Websitewww.labnetwork.com
Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com
Heze Shuying Biotechnology Co., Ltd.
Telephone 18553078733
Website
Shanghai alkynechem Co., Ltd.
Telephone086-021-15821262312 15821262312
Websitehttp://www.alkynechem.com
SHANGHAI YOUNG-CHEM CHEMICAL CO., LTD.
Telephone 13817489192
Websitehttp://www.ychemchemical.com/
Aromsyn Co., Ltd.
Telephone+86-0571-85585865 +86-13336024896
Websitehttps://www.aromsyn.com/