J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
ChemStrong Scientific Co.,Ltd
Telephone0755-0755-66853366 13670046396
Websitehttp://www.chem-strong.com
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/
Meng Cheng Technology (Shanghai) Co., LTD
Telephone400-820-6829
Websitehttp://www.mitachieve.com
Shenzhen Topbatt Chemical Co., Ltd
Telephone 15616500668
Websitehttp://www.topbatt.net
Hubei Xinyang Medical Technology Co., Ltd
Telephone15347293736 15347293736
Websitehttp://www.standardpharm.com
Heyuan broad spectrum Biotechnology Co., Ltd
Telephone0762-3393039 18023108599
Websitehttp://www.gpbiotech.cn/
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Molcoo Chemicals Inc.
Telephone18576690171 17386083646
Websitehttp://www.molcoo.com/
Shenzhen Roark Pharma-Tec Co., Ltd.
Telephone 13128912434
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1522230/0.htm
Cato Research Chemicals Inc.
Telephone020-81960175-877 18933936954
Websitehttps://www.cato-chem.com/
Nanjing Huanuo Biomedical Technology Co., Ltd
Telephone 18913906212
Websitehttp://www.hnstandards.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
guoyungurui
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25521782/
Guangzhou Zhenlin Pharmaceutical Technology Co., Ltd
Telephone18102736234 18102736234
Website