J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Quality Control Solutions Ltd.
Telephone0755-66853366 13670046396
Websitehttp://www.qcsrm.com
Shanghai Yu Ben Biotechnology Co., Ltd.
Telephone021-61350663 15502154572
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30592/0_EN.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Shenzhen Botel Biotechnology Co. Ltd.
Telephone13316949107 13316968096
Websitehttp://www.szbotaier.com/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone020-36607679; 13502246435
Websitehttp://www.dmstandards.com/
Nanjing wangzhixing Pharmaceutical Technology Co., Ltd
Telephone 18569809817
Websitehttp://www.wzxchem.com
PCL - Business, Laboratory Pharmaceutical
Telephone 19150123681
Websitehttp://www.purechemland.com
Zhengzhou Alpha Chemical Co. LTD
Telephone0371-53732842 13383863444
Websitehttps://www.chemicalbook.com/supplier/23629674/
Scinova Biotech(Guangzhou) Co., Ltd.
Telephone 13268215580
Websitehttp://www.scinova-e.com/
Dongyang Qiusuo Medical Technology Co., LTD
Telephone 17502510579
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1932551/0_EN.htm
Guangzhou Zhenlin Pharmaceutical Technology Co., Ltd
Telephone020-18102736 13622807357
Website
Cato Research Chemicals Inc.
Telephone81960175 18933936954
Websitehttps://www.cato-chem.com/
Nanjing bojida Pharmaceutical Technology Co., Ltd
Telephone 18762407961
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1743407/0_EN.htm
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone15787879035 15787875101
Websitehttps://www.chemicalbook.com/supplier/138770565/
Shenzhen ruikai de biotechnology co., ltd.
Telephone0755-61348847 17820674378
Websitehttp://www.real-chemstandards.com.cn/
LGC Science (Shanghai) Ltd.
Telephone17717235263 17717235263
Websitehttps://www.lgcstandards.com/CN/en/
