Xi'an duokai Trading Co., Ltd
Telephone029-82283472 15091869467
Websitehttp://www.dkchemco.cn
Syntechem Co.,Ltd
Telephone
Websitehttp://www.syntechem.com/
Haoyuan Chemexpress Co., Ltd.
Telephone021-58950125
Websitehttp://gb.chemexpress.com.cn
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
LETOPHARM LIMITED
Telephone+86-21-5821 5861
Websitehttp://www.letopharm.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shanghai EFE Biological Technology Co., Ltd.
Telephone021-65675885 18964387627
Websitehttp://www.efebio.com
Guangzhou QiYun Biotechnology Co., Ltd.
Telephone020-61288194 61288195
Websitehttp://www.gzqiyun.com
Tianjin Kailiqi Biotechnology Co., Ltd.
Telephone 15076683720
Websitehttp://www.cw-bio.com
Tonichem Pharmaceutical Technology Co., Ltd.
Telephone+86 (0752) 222-7171, +86 15815821171
Websitehttp://www.tonichem.com/
Roark Standards
Telephone0755-83552066 15986688328
Websitehttp://roarkstandards.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
Hubei Yangxin Medical Technology Co., Ltd.
Telephone 15374522761
Websitehttp://www.standardpharm.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Fan De(Beijing) Biotechnology Co., Ltd.
Telephone 15911056312
Websitehttp://www.bio-fount.com/
HANGZHOU CLAP TECHNOLOGY CO.,LTD
Telephone86-571-88216897,88216896 13588875226
Websitehttp://www.hzclap.com/en/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679 17825480238
Websitehttp://www.dmstandards.com/
Hubei Jusheng Technology Co.,Ltd.
Telephone18871490254
Websitehttp://www.hubeijusheng.com