J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai TaoSu Biochemical Technology Co., Ltd.
Telephone021-33632979
Websitehttp://www.tsbiochem.com
Sigma-Aldrich
Telephone021-61415566 800-8193336
Websitehttps://www.sigmaaldrich.cn
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
ShangHai Anpel Co, Ltd.
Telephone18501792038; 18501792038
Websitehttps://www.labsci.com.cn/index
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
ChengDu SinoStandards Bio-Tech Co.,Ltd. ,
Telephone028-83243028 19136088901
Websitehttp://www.ebuylabs.com/
Manhag Testing Technology Co., Ltd
Telephone020-020-3846236 17688849268
Websitehttp://www.bepurestandards.com/
Yancheng Tongming Biotechnology Co., Ltd.
Telephone 15195160625
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1089086/0.htm
Reer Technology (Shanghai) Co., LTD
Telephone021-64400900 15800436310
Websitehttp://www.reertech.com/
Cato Research Chemicals Inc.
Telephone020-81960175-877 18933936954
Websitehttps://www.cato-chem.com/
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Shanghai isotope chemical co.,ltd
Telephone021-021-51600108 13062666369
Websitehttps://www.chinaisotope.com/
Cato Research Chemicals Inc.
Telephone 13342851930
Websitehttps://www.cato-chem.com/