J & K SCIENTIFIC LTD.
Telephone 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Artis Biotech Co. Ltd.
Telephone19138486554 18108108965
Websitehttp://www.artis-standards.com/
Nanjing Haolv Biotechnology Co.,Ltd
Telephone025-84622273 17361806303
Websitehttp://www.haolvbt.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
ShangHai Anpel Co, Ltd.
Telephone18017382783 18017382783
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/
Yancheng Tongming Biotechnology Co., Ltd.
Telephone 15195160625
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1089086/0.htm
Changzhou Bojia Biomedical Technology Co., Ltd.
Telephone 2122619822
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList849747/0.htm
Reer Technology (Shanghai) Co., LTD
Telephone021-64400900 15800436310
Websitehttp://www.reertech.com/
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Shanghai isotope chemical co.,ltd
Telephone021-51600108 13062666369
Websitehttps://www.isotopechem.com/
TLC Pharmaceutical Standards Ltd.
Telephone18012923235; 18012923235
Websitehttp://www.tlcstandards.com
Telephone 4008-099-669
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList112975/0.htm
Shandong benrite new chemical materials co.,ltd
Telephone0533-2866658 15615638350
Websitehttp://cn.benritechem.com/
Biosynth Biological Technology (Suzhou) Co Ltd
Telephone 51288865780
Websitehttp://www.biosynth.com
