J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
NewCan Biotech Limited
Telephone+86-571-86912261 19975279805
Websitehttps://www.newcanbio.com/
CONIER CHEM AND PHARMA LIMITED
Telephone
Websitehttp://www.conier.com/
Shanghai meikai technology co., ltd
Telephone021-68689288 15300790979
Websitehttps://www.mkbio.com.cn/
TLC Pharmaceutical Standards Ltd.
Telephone 18012923235
Websitehttps://www.tlcstandards.com/
SHANGHAI KEAN TECHNOLOGY CO., LTD.
Telephone +8613817748580
Websitewww.kean-chem.com
Henan Fengda Chemical Co., Ltd
Telephone+86-371-86557731 +86-13613820652
Websitehttp://www.fdachem.com