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
Shanghai Kewel Chemical Co., Ltd.
Telephone021-64609169 18901607656
Websitehttp://www.kewelchem.com/
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
TOSUN PHARM
Telephone020-61855200 13326451905
Websitehttp://www.toref.cn/
Yangzhou Changhua Biotechnology Co., Ltd.
Telephone13815846020; 13815846020
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList31331/0.htm
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366; 13670046396
Websitehttps://www.qcsrm.com
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Hubei Qingbei Yunyan Pharmaceutical Technology Co., Ltd
Telephone18162595016; 18162595016
Websitehttps://www.chemicalbook.com/supplier/25457231/
