Changzhou Hopschain Chemical Co.,Ltd.
Telephone0519-85528066 13775048983
Websitehttp://www.hopschem.com/
Shanghai Aocheng Biological Technology Co., Ltd.
Telephone 13917627064
Websitehttp://www.aoc-chem.com
Shaanxi Dideu Medichem Co. Ltd
Telephone+86-29-87569266 15319487004
Websitehttps://www.chemicalbook.com/manufacturer/shaanxi-dideu-medichem-220/
Affinity（Wuhan）Ltd.
Telephone 15841022315
Websitehttps://precisepeg.com
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725 17717813675;
Websitehttps://www.leyan.com/
