J & K SCIENTIFIC LTD.
Telephone 18210857532
Websitehttps://www.jkchemical.com
Chemsky（shanghai）International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai Aladdin Bio-Chem Technology Co.,LTD
Telephone400-6206333 13167063860
Websitehttp://www.aladdin-e.com/
Cato Research Chemicals Inc.
Telephone020-81960175
Websitehttp://www.cato-chem.com
Shanghai YuanYe Biotechnology Co., Ltd.
Telephone021-61312847; 18021002903
Websitehttp://www.shyuanye.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.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/
Shandong Huijing bio-pharmaceutical Technology Co. , Ltd.
Telephone15192151674 15192151674
Websitehttp://www.chemcro.com
Shanghai Beiwanta Biotechnology Co., Ltd.
Telephone021-67187366 19901745723
Websitehttp://www.bwtlab.com/
Xi'an Ruipuyuan Biotechnology Co., Ltd
Telephone18192620610 18192620610
Websitehttp://www.rpybiotech.com
CHANG ZHOU A SANG QI TECHNOLOGY CO.,LTD
Telephone 18961267976
Websitehttps://www.chemicalbook.com/supplier/25807905/
Telephone 58896805
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1748115/0.htm
Santa Cruz Biotechnology Inc
Telephone 60936350
Websitehttp://www.scbt.com
