QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
https://www.shachemlin.cn/
Telephone 15021879576
Websitehttps://www.shachemlin.cn/
Beijing I-puritech Science & Technology Co.,Ltd
Telephone 13311015623
Websitehttp://www.i-puritech.com
Hubei De'ao Chemical Research Pharmaceutical Technology Co., Ltd
Telephone18502726233; 18502726233
Websitehttps://www.chemicalbook.com/supplier/25403897/
TLC Pharmaceutical Standards Ltd.
Telephone18012923235; 18012923235
Websitehttp://www.tlcstandards.com