J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai Tombiopharma Chemical Co. Ltd.
Telephone 13391076197
Websitehttp://www.tombiopharma.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Heze Aiding Pharmaceutical Co., Ltd
Telephone 17661365138
Websitehttps://www.tianyancha.com/company/6687163515
Yuncheng Hengli Biotechnology Co. , Ltd.
Telephone 13854768378
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList829651/0.htm