Domestic:

Department: Marketing Service Department

Web: www.tds-1300.com

Tel: 0086-513-80112000; 

International:

Tel: 0086-513-80112040 

Email: modernelectric-wendy@hotmail.com

Fax: 0086-513-80112020

Post Code: 226005

Vietnam:

HTK Technology JSC
Tel: 0084-977-023-005
Email: trinhmanhhan@htk.vn or thaihungkhang@gmail.com