J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shanghai HuanChuan Industry Co.,Ltd.
Telephone021-61478794
Websitehttp://www.hcshhai.com
Bellen Chemistry Co., Ltd.
Telephone010-60400365-8001 15910885229
Websitehttp://www.bellenchem.com
Shanghai Chaolan Chemical Technology Center
TelephoneQQ：65489617 13301690235
Websitehttp://www.atkchemical.com/
Aikon International Limited
Telephone025-66113011 19370895928
Websitehttp://www.aikonchem.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Shaanxi Didu New Material Co., Ltd
Telephone81124267 17392282731
Website
Shanghai Sunway Pharmaceutical Technology Co., Ltd
Telephone+86 (21) 51613915
Websitehttp://www.sunwaypharm.com
