国内业务部（Domestic Marketing Department)
电话：86-536-2322140
传真：86-536-2323630
邮箱：sales1@gaotian.com; sales@gaotian.com

国际业务部（International Marketing Department)
电话：86-536-2323704/2506712
传真：86-536-2323704
邮箱：export@gaotian.com

采购部（Purchasing Department)
电话：86-536-2506712
传真：86-536-2323630