Shanghai XinKai Chemical Technology Co., Ltd.
Telephone021-58930698 15921516558
Websitehttp://www.thinkerchem.com
Shanghai Hongye Biotechnology Co. Ltd
Telephone400-9205774 400-920-5774
Websitehttp://www.glpbio.cn/
ChemeGen(Shanghai) Biotechnology Co.,Ltd.
Telephone 18818260767
Websitehttp://www.chemegen.com
Hubei Co-prosperity Medicine Technonlogy Co., Ltd
Telephone2383948258 19172820304
Websitehttps://www.chemicalbook.com/supplier/24062231/
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttps://www.tlcstandards.com/