Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Hubei Yangxin Medical Technology Co., Ltd.
Telephone 15374522761
Websitehttp://www.standardpharm.com
Xi'an Zhenghao Biotechnology Co., Ltd
Telephone 19829389091
Websitehttps://www.chemicalbook.com/supplier/23951237/
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25457231/
Xi'an Lechun Chemical Co., Ltd
Telephone029-15596886083 15596886083
Websitehttps://www.chemicalbook.com