J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Cato Research Chemicals Inc.
Telephone020-81960175
Websitehttp://www.cato-chem.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Hefei Molake Biotechnology Co., Ltd.
Telephone0551-66336380 18956014586
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31079/0_EN.htm
Jinan blalong chemical co. LTD
Telephone 2710913286@qq.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0_EN.htm
Energy Chemical
Telephone400-0056266
Websitehttp://www.energy-chemical.com
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Henan Vcommend Consultrading Co., Ltd.
Telephone 13393721940
Websitehttp://www.vcommend.com/
Hubei Rhema Reference Materials Technology Co., Ltd.
Telephone15787879035 15787875101
Websitehttps://www.chemicalbook.com/supplier/138770565/
Shanghai Sunway Pharmaceutical Technology Co.,Ltd.
Telephone13761987713; 13761987713
Websitehttps://www.sunwaypharm.cn
Shenzhen ruikai de biotechnology co., ltd.
Telephone0755-61348847 17820674378
Websitehttp://www.real-chemstandards.com.cn/