BeiJing Hwrk Chemicals Limted
Telephone0757-86329057 18934348241
Websitehttp://www.hwrkchemical.com/
Aikon International Limited
Telephone025-66113011 19370895928
Websitehttp://www.aikonchem.com
Shanghai Minhan Pharmaceutical Technology Co., Ltd.
Telephone 17612188245
Websitehttp://www.suppliers.integle.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/
