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
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Hubei Yangxin Medical Technology Co., Ltd.
Telephone 15374522761
Websitehttp://www.standardpharm.com
Shenzhen SUNGENING Bio-Medical Co., Ltd.
Telephone0755-28967200 13631290199
Websitehttp://www.sungening.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Meng Cheng Technology (Shanghai) Co., LTD
Telephone400-820-6829
Websitehttp://www.mitachieve.com
Hubei Xinyang Medical Technology Co., Ltd
Telephone15347293736 15347293736
Websitehttp://www.standardpharm.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Guangzhou Juntang Technology Co., Ltd
Telephone020-36607679 13502246435
Websitehttp://www.dmstandards.com
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
Hubei Weideli Chemical Reagent Co.,Ltd.
Telephone027-59222918 13385289472
Websitehttps://www.chemicalbook.com/supplier/23855892/1.htm
Cato Research Chemicals Inc.
Telephone020-81960175-877 18933936954
Websitehttps://www.cato-chem.com/
Jiangsu Boquan Biotechnology Co., Ltd.
Telephone15252131412; 15252131412
Websitehttp://m.boquanshengwu.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
LangFangshi Zekang Pharma Tech CO.,Itd.
Telephone0316-2883536 19333636468
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1466071/0.htm
Shanghai Easy CDMO Co.,Ltd
Telephone021-61734564
Website
Shanghai Zerui Biotechnology Co., Ltd.
Telephone021-54580889 18321124657
Websitehttp://www.zr-pharmaceutical.com