BeiJing Hwrk Chemicals Limted
Telephone0757-86329057 18934348241
Websitehttp://www.hwrkchemical.com/
Aikon International Limited
Telephone025-66113011 13155353615
Websitehttp://www.aikonchem.com
Chongqing Chemdad Co., Ltd
Telephone+86-023-6139-8061 +86-86-13650506873
Websitehttp://www.chemdad.com/
Shanghai Kaiwei Chemical Technology Co., Ltd.
Telephone021-58461859 15821823057
Websitehttp://www.aivichem.com
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/