Zhengzhou Alfachem Co., Ltd.
Telephone0371-0371-53315787 13333829863
Websitehttp://www.alfachem.cn
Henan's chemical products co., LTD
Telephone0371-60919097 15378766539
Websitehttp://www.psaichem.cn/
Henan Lien Chemical Products Co., Ltd.
Telephone03716091-9097 13383857418
Websitehttp://www.psaichem.com/
Anqing Donghe Biotechnology Co., Ltd
Telephone 15056029383
Websitehttps://www.aqdonghe.com/
Henan Dowon Chemical Technology Co., Ltd.
Telephone 16696119288
Websitehttp://www.dowon.com.cn
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone +undefined18143011203
Websitehttp://www.chemextension.com/
