Chongqing Chemdad Co., Ltd
Telephone+86-023-6139-8061 +86-86-13650506873
Websitehttp://www.chemdad.com/
Shandong Territorial sea Biological Technology Co., LTD
Telephone 15092083467
Websitehttp://leadhigh.com.cn
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
WEITIXIHAUGONG
Telephone0371-53370800 18037197114
Websitehttp://www.alfachem.cn/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/