J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chengdu HappySyn Pharmaceutical Technology Co., Ltd.
Telephone028-85114309 15881143215
Websitehttp://www.happysyn.com
Zhengzhou Guancheng Laboratory equipment Sales
Telephone0371-88888888 272369594
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList16848/0.htm
Xuchang Fengfei New Materials Technology Co., Ltd
Telephone 19713077352
Website
Sichuan Biosynce Pharmatech Co., Ltd.
Telephone +8619950309693
Websitehttp://www.biosynce-product.com