Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd
Telephone0431-0431-80514535 19917294565
Websitehttp://www.chemextension.com
Zhengzhou Acme Chemical Co., Ltd.
Telephone0371-0371-55629727 13323845623
Websitehttp://www.acmechem.cn
Henan Pusai Chemical Products Co., Ltd.
Telephone0371-63357898
Websitehttp://www.psaichem.com
Henan Dowon Chemical Technology Co., Ltd.
Telephone 16696119288
Websitehttp://www.dowon.com.cn
ZhengZhou Edward Biology Co.,Ltd
Telephone13298105281 13298105281
Websitehttp://www.edwardbiology.cn
