Changzhou Hopschain Chemical Co.,Ltd.
Telephone85528066 13775048983
Websitehttp://www.hopschem.cn
Jiangsu aikang biomedical research and development co., LTD
Telephone025-58859352 17714375163
Websitehttp://www.aikonchem.com/
Changzhou Kechem Bio-Scientific Co., LTD.
Telephone0519-68985668 13685222090
Websitehttp://www.kechem.cn/
DAYANG CHEM (HANGZHOU) CO.,LTD
Telephone+86-88938639 +86-17705817739
Websitewww.dycnchem.com
Aromsyn Co., Ltd.
Telephone+86-0571-85585865 +86-13336024896
Websitehttps://www.aromsyn.com/
