QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Guangzhou Max Pharmaceutical Research Co., Ltd.
Telephone020-18027400382 18027400382
Websitehttp://www.gzmaxscience.com/
TLC Pharmaceutical Standards Ltd.
Telephone18012923235; 18012923235
Websitehttp://www.tlcstandards.com
Aikon International Limited
Telephone 18651614124
Websitehttps://www.aikonchem.com/
China National Standard Pharmaceutical Corporation Limited
Telephone +8615391658522
Websitehttps://www.standardpharm.org.cn/