Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
TOSUN PHARM
Telephone020-61855200 13326451905
Websitehttp://www.toref.cn/
Hubei Xinyang Medical Technology Co., Ltd
Telephone15347293736 15347293736
Websitehttp://www.standardpharm.com
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
HX Pharmaceutical technology co., LTD
Telephone 15671363360
Websitehttp://www.szhx-pharm.com
Henan Vcommend Consultrading Co., Ltd.
Telephone13393721940; 13393721940
Websitehttp://www.vcommend.com/
Cato Research Chemicals Inc.
Telephone 18933936954
Websitehttps://www.catorm.com/
TLC Pharmaceutical Standards Ltd.
Telephone18012923235; 18012923235
Websitehttp://www.tlcstandards.com
Biosynth Biological Technology (Suzhou) Co Ltd
Telephone 51288865780
Websitehttp://www.biosynth.com
Guangzhou Tosun Pharmaceutical Ltd
Telephone+86-020-61855200-902 +8618124244216
Websitehttps://www.chemicalbook.com/manufacturer/-560037/
Zibo Hangyu Biotechnology Development Co., Ltd
Telephone+86-0533-2185556 +8615965530500
Websitehttps://www.chemicalbook.com/manufacturer/hangyu-chemical-25178/
Guangzhou Tosun Pharmaceutical Limited
Telephone +8618922120635
Websitehttp://toref-standards.com
