Customer Service Department
• Sales Hotline:86-592-5125577
• Sales Fax: 86-592-5127755
• Email:sales@gcbnet.com.hk

Technical Support Department
• Hotline: 86-592-5125577
• E-mail:sales@gcbnet.com.hk

Marketing Department (Partnership/Cooperation)
• E-mail:ronnie@gcbnet.com.hk

General Inquiry / Complaint
• E-mail:ronnie@gcbnet.com.hk

• Address:(Hong Kong): Unit C, 3/F., Casey Aberdeen Center, 20 Wong Chuk Hang Road, Aberdeen, HK.
• Address:(China): Unit 2301, Xiao-Xiang Building, 341 Jia-He Road, Xiamen, Fujian 361012, P.R.C.