ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
Nanjing wangzhixing Pharmaceutical Technology Co., Ltd
Telephone 18569809817
Websitehttp://www.wzxchem.com
Nantong Hanfang Biotechnology Co. , Ltd.
Telephonehanfangpharma@126.com; 18616537568
Websitehttps://hanfangpharma@126.com
Cato Research Chemicals Inc.
Telephone 18933936954
Websitehttps://www.catorm.com/
TLC Pharmaceutical Standards Ltd.
Telephone18012923235; 18012923235
Websitehttp://www.tlcstandards.com
Nantong Zhonghe Chemical New Materials Co., Ltd
Telephone13003551299 15950816326
Websitehttps://WWW.ntzhhg.com
SUZHOU SENFEIDA CHEMICAL CO.,LTD
Telephone+86-0512-83500002 +8618501500038
Websitehttps://www.sfdchem.com/