J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
AstaTech (Chengdu) Pharma. Co., Ltd.
Telephone028-85122536 15928766785
Websitehttp://www.astabiochem.cn/
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Shanghai Tombiopharma Chemical Co. Ltd.
Telephone 13391076197
Websitehttp://www.tombiopharma.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 13028896684
Websitehttps://www.rrkchem.com
ANHUI WITOP BIOTECH CO., LTD
Telephone +8615255079626
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList418627/0_EN.htm
Aikon International Limited
Telephone 18626450290
Websitehttp://www.aikonchem.com
Heze Aiding Pharmaceutical Co., Ltd
Telephone 17661365138
Websitehttps://www.tianyancha.com/company/6687163515
Yuncheng Hengli Biotechnology Co. , Ltd.
Telephone 13854768378
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList829651/0.htm
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Baoji Didu Pharmaceutical and Chemical Co., Ltd
Telephone029-61856358 15829046862
Website
Shandong Xinmuyuan Chemical Technology Co., Ltd
Telephone19105383610（微） 19105383610
Website
