J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Meryer (Shanghai) Chemical Technology Co., Ltd.
Telephone021-61259108 18621169109
Websitehttps://www.meryer.com/cn/index/
Wuhan Chemwish Technology Co., Ltd
Telephone86-027-67849912
Websitehttp://www.chemwish.com
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
Telephone025-66099280 17798518460
Websitehttp://www.aikonchem.com/
Changzhou Hopschain Chemical Co.,Ltd.
Telephone0519-85528066 13775048983
Websitehttp://www.hopschem.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Jinan Ruisi Pharmaceutical Technology Co., LTD
Telephone0531-69900633 18340090523
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31265/0.htm
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
LEAPCHEM CO., LTD.
Telephone+86-852-30606658
Websitehttp://www.leapchem.com