J & K SCIENTIFIC LTD.
Telephone 18210857532
Websitehttps://www.jkchemical.com
Alfa Aesar
Telephone400-6106006
Websitehttp://chemicals.thermofisher.cn
Cato Research Chemicals Inc.
Telephone020-81960175
Websitehttp://www.cato-chem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
ANHUI WITOP BIOTECH CO., LTD
Telephone +8615255079626
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList418627/0_EN.htm
Yantai Zhengxin New Material Technology Co. LTD
Telephone15065715832; 13854547682
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1444924/0.htm
Shandong Mingde Biotechnology Co., Ltd
Telephone 18560864701
Websitehttp://www.jiuyueshengwu.com/
Henan Alpha Chemical Co., Ltd.
Telephone0371-55013243 15324716602
Websitehttps://www.chemicalbook.com/supplier/24684125/
Merck KGaA
Telephone21-20338288
Websitehttp://www.sigmaaldrich.cn
Changzhou Xianglong Pharmaceutical Technology Co., Ltd.,
Telephone18915873328 18915873328
Websitehttps://www.xianglongpharm.com/