J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shanghai Longsheng chemical Co.,Ltd.
Telephone021-58099652-8005 13585536065
Websitehttp://www.shlschem.com
Shanghai Sunway Pharmaceutical Technology Co., Ltd
Telephone021-51613915-820 13611835272
Websitehttp://www.sunwaypharm.com
Amadis Chemical Company Limited
Telephone571-89925085
Websitehttp://www.amadischem.com
CONIER CHEM AND PHARMA LIMITED
Telephone +8618523575427
Websitehttp://www.conier.com/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Aromsyn Co., Ltd.
Telephone+86-0571-85585865 +8613336024896
Websitehttps://www.aromsyn.com/
