Shanghai AmasPharm Co., Ltd.
Telephone021-54540637 18621091017
Websitehttp://www.amaspharm.com
ZhengZhou HuaWen Chemical Co.Ltd
Telephone0370-0370-2785118 17550508557
Websitehttp://www.hnhwchem.com
Hangzhou Sage Chemical Co., Ltd.
Telephone+86057186818502 13588463833
Websitehttp://www.sagechem.com/
Shanghai Topbiochem Technology Co., Ltd
Telephone+86-21-60341587
Websitehttp://www.topbiochem.com
Henan Alfachem Co.,Ltd.
Telephone0371-0371-55051623 18137891487
Websitehttps://www.chemicalbook.com/supplier/14555231/
Zhengzhou Edward Biology Co.,Ltd
Telephone0371-63682289 15538176268
Websitehttp://www.edwardbiology.cn/
Atomic chemistry
Telephone0370-2785705 19339619972
Websitehttp://www.yuanzichem.com
Henan Lavoisier Chemical Products Co. Ltd
Telephone0371-63682289 18625781376
Websitehttp://www.lavoisi.cn/
Shanghai Haohong Scientific Co., Ltd.
Telephone400-400-8210725
Websitehttps://www.leyan.com/
Zhengzhou JACS Chemical Product Co., LTD
Telephone0371-86259281 13223061139
Websitehttp://www.jacschem.com