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 13028896684
Websitehttps://www.rrkchem.com
Suzhou Rovathin Foreign Trade Co.,Ltd
Telephone0512-65816829 18662214788
Websitehttp://www.rovathin.com/
Shanghai Tianqing Chemicals Co., Ltd.
Telephone +8613816254020
Websitehttps://www.tianqing-chem.com/
Guangzhou Dreampharm Biotechnology Co., Ltd.
Telephone 17825480238
Websitehttp://www.dmstandards.com
Jinan blalong chemical co. LTD
Telephone 2710913286@.com
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1068244/0.htm
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
QUALITY CONTROL SOLUTIONS LTD.
Telephone0755-66853366 13670046396
Websitehttps://www.qcsrm.com
Scinova Biotech(Guangzhou) Co., Ltd.
Telephone 13268215580
Websitehttp://www.scinova-e.com/
Hubei De'ao Chemical Research Pharmaceutical Technology Co., Ltd
Telephone 18502726233
Websitehttps://www.chemicalbook.com/supplier/25403897/
Nantong Hanfang Biotechnology Co. , Ltd.
Telephone 3674309880
Websitehttps://hanfangpharma@126.com
China National Standard Pharmaceutical Corporation Limited
Telephone +8615391658522
Websitehttps://www.standardpharm.org.cn/
