Shanghai Hanhong Scientific Co.,Ltd.
Telephone021-54306202 13764082696
Websitehttps://www.hanhongsci.com
Hubei Yangxin Medical Technology Co., Ltd.
Telephone 15374522761
Websitehttps://www.standardpharm.org.cn/
Aikon International Limited
Telephone025-58859352 13913916777
Websitehttp://www.aikonchem.com
Shijiazhuang Ruitian Biochemical Co. Ltd
Telephone 15831127780
Websitehttps://www.rtsh.cn
Baoji Didu Pharmaceutical and Chemical Co., Ltd
Telephone029-81145305 17791533577
Website
Cato Research Chemicals Inc.
Telephone81960175-877 18933936954
Websitehttps://www.cato-chem.com/
TLC Pharmaceutical Standards Ltd.
Telephone18012923235 18012923235
Websitehttp://www.tlcstandards.com