Wuxi Helen Biotechnology Co., Ltd.,
Telephone0510-85629785 18013409632
Websitehttp://www.reading-chemicals.com
SHENZHEN PHYSTANDARD BIO-TECH CO.,LTD
Telephone0755-83725350 13380397412
Websitehttps://www.sincopharmachem.net
Shandong Dayou Pharmaceutical Research and Development Co., Ltd.
Telephonedayouchem@126.com 15165037910
Website
Cato Research Chemicals Inc.
Telephone81960175-877 18933936954
Websitehttps://www.cato-chem.com/
Beijing Kemaiqi Medical Technology Co., LTD
Telephone15910349257 15910349257
Website
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone15787879035 15787875101
Websitehttps://www.chemicalbook.com/supplier/138770565/
Hubei YoungXin Pharmaceutical Tech Co.,Ltd.
Telephone0714-3999001 19171453112
Websitehttp://www.yongstandards.com/
Beijing Comparison Pharmaceutical Technology Co., Ltd
Telephone010-010-52878169 15801002657
Websitehttp://www.bjcomparison.com