SynAsst Chemical.
Telephone021-60343070
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList15848/0_EN.htm
Amatek Scientific Co. Ltd.
Telephone0512-56316828 4008675858
Websitehttp://www.amateksci.com
Shandong Ono Chemical Co., Ltd.
Telephone0539-6362799 20）
Websitehttp://www.onochem.com
Neostar United (Changzhou) Industrial Co., Ltd.
Telephone+86-0519-85551759 +8613506123987
Websitehttp://www.neostarunited.com
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85560043 13675144456
Websitehttp://www.synzest.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
Shanghai alkynechem Co., Ltd.
Telephone086-021-15821262312 15821262312
Websitehttp://www.alkynechem.com
Shanghai Scibiotron Pharmaceutical Co., Ltd
Telephone+86-16621589600
Websitewww.scibiotron.com
SHANGHAI YOUNG-CHEM CHEMICAL CO., LTD.
Telephone +8613817489192
Websitehttp://www.ychemchemical.com/
