Shanghai ChuangYan Chemical Technology Co., Ltd.
Telephone021-11111111 11111111111
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16385/0_EN.htm
Shanghai Tombiopharma Chemical Co. Ltd.
Telephone 13391076197
Websitehttp://www.tombiopharma.com
3A Chemicals
Telephone400-668-9898
Websitehttp://www.3achem.com
Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com
Jinan Guangchen Pharmaceutical Technology Co., Ltd
Telephone 18563726319
Websitehttps://www.chemicalbook.com/supplier/24863567/