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/
ChengDu TongChuangYuan Pharmaceutical Co.Ltd
Telephone028-83379370 13880556291
Websitehttp://www.tcypharm.com