Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd
Telephone0431-0431-80514535 19917294565
Websitehttp://www.chemextension.com
Henan Pusai Chemical Products Co., Ltd.
Telephone0371-63357898
Websitehttp://www.psaichem.com
Zhengzhou Deyuankai Chemical Co., LTD
Telephone 17837139533
Websitehttps://www.chemicalbook.com/supplier/24676015/
WEITIXIHAUGONG
Telephone0371-53370800 18037197114
Website
Henan Dowon Chemical Technology Co., Ltd.
Telephone 16696119288
Websitehttp://www.dowon.com.cn