J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Zhengzhou kangnuochenrui Chemical Technology Co.,Ltd
Telephone 18210788515
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList17156/0.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Changzhou Qianai Biotechnology Co., Ltd
Telephone0519-15240519135 13961152745
Website
Sichuan Biosynce Pharmatech Co., Ltd.
Telephone +8619950309693
Websitehttp://www.biosynce-product.com
