J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Beijing HwrkChemical Technology Co., Ltd
Telephone010-89508211 18501085097
Websitehttp://www.hwrkchemical.com
BeiJing Hwrk Chemicals Limted
Telephone0757-86329057 18934348241
Websitehttp://www.hwrkchemical.com/
Guangzhou Isun Pharmaceutical Co., Ltd
Telephone020-39119399 18927568969
Websitehttp://www.isunpharm.com
Changzhou Hopschain Chemical Co.,Ltd.
Telephone0519-85528066 13775048983
Websitehttp://www.hopschem.com/
Jiangsu aikang biomedical research and development co., LTD
Telephone025-66110311 13155353615
Websitehttp://www.aikonchem.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Hangzhou FandaChem Co.,Ltd.
Telephone +8615858145714
Websitehttps://www.fandachem.com/