J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai Ennopharm Co., Ltd.
Telephone+86 (21) 6435-5022
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList13640/0.htm
Nanjing Norris-Pharm Technology Co., Ltd
Telephone 13901585132
Website
Shanghai Witofly Chemical Co.,Ltd
Telephone
Websitehttp://www.witofly.com
ShangHai Siyan Biological Technology Co., Ltd.
Telephone021-50908862,442785678,326799392 18721037013
Websitehttp://www.siyanbio-tec.com
Dayang Chem (Hangzhou) Co.,Ltd.
Telephone571-88938639 +8617705817739
Websitehttps://www.dycnchem.com/
CONIER CHEM AND PHARMA LIMITED
Telephone +8618523575427
Websitehttp://www.conier.com/