Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Wuxi Helen Biotechnology Co., Ltd.,
Telephone0510-85629785 18013409632
Websitehttp://www.reading-chemicals.com
QUALITY CONTROL SOLUTIONS LTD.
Telephone+86-0755-66853366 +8613670046396
Websitehttps://www.qcsrm.com
Wuhan Jingkangen Biomedical Technology Co., Ltd
Telephone13720134139 086-15871494362 13720134139
Websitehttps://www.jknbiochem.com
Shenzhen Qingtian Biotechnology Co, Ltd.
Telephone18823167005 18162969855
Website
Olix ( Hubei) Pharmaceutical Technology Co., Ltd
Telephone17316404525 17316404525
Websitehttps://www.olix.cn
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone15787879035 15787875101
Websitehttps://www.chemicalbook.com/supplier/138770565/
Beijing Comparison Pharmaceutical Technology Co., Ltd
Telephone010-010-52878169 15801002657
Websitehttp://www.bjcomparison.com
Hangzhou Yiyun Guoke Biotechnology Co., Ltd.
Telephone 18457506494
Website
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttps://www.tlcstandards.com/
Tianjin shanhaijing medicine technology co., ltd
Telephone19129375004; 15321929114
Websitehttp://www.yangtzechem.com
Sinco Pharmachem (ShenZhen) R&D Co., Ltd.
Telephone +86-18603013401
Websitehttps://en.sincopharmachem.net
Wuhan Jingkang en Biomedical Technology Co., Ltd
Telephone +86-0086-13720134139
Websitehttp://www.jknbiochem.com/
