North America, Australia, South Africa
Erin Wu
TEL: 0086-756-3965697
E-mail:acc05@gainscha.com
Skype ID:erinwnh 

Chris Wu
TEL: 0086-756-396
E-mail: acc12@gainscha.com

Middle East, North Africa
Celia Liu
TEL: 0086-756-3965664
E-mail: acc06@gainscha.com
Skype ID: jgs198712

Southeast Asia
Angus Hui
TEL: 00852-37056077
E-mail:acc20@gprinter.hk
Skype ID: cd83aefd1a652f7d

Contact

TEL: 0086-756-3965689
E-mail: tech@gainscha.com

Sam Lei
TEL: 0086-756-3965696
E-mail:acc09@gainscha.com

Zac Zhang 
TEL: 0086-756-3965699
E-mail:acc01@gainscha.com
Skype ID: zzac.zhang

TEL: 0086-756-3965698
E-mail:sales@gainscha.com