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
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Shenzhen ruikai de biotechnology co., ltd.
Telephone0755-61348847 17820674378
Websitehttp://www.real-chemstandards.com
Energy Chemical
Telephone021-58432009 400-005-6266
Websitehttp://www.energy-chemical.com
Panaishen (Henan) Pharmaceutical Science and Technology Co. , Ltd.
Telephone0371-65325800 13700860222
Websitehttp://www.pannacean.com/
shanghai Kezx
Telephone+8615900728866; 18222315523
Websitehttp://www.kezxbio.com/
PANNACEAN(HENAN)MEDICINE SCIENCE TECHNOLOGIES LTD
Telephone0371-55159968 18137130222
Website
Zibo Hangyu Biotechnology Development Co., Ltd
Telephone+86-0533-2185556 +8617865335152
Websitehttps://www.chemicalbook.com/manufacturer/hangyu-chemical-25178/