1. Cty SISTECH Co., Ltd.
Address: 55/14 Le Thi Hong Gam str, District 1
HoChiMinh City, Vietnam
Tel: 84-28-3914 3632 / 3914 3633
Fax: 84-28-3914 0389
Hotline: 098.2121.771
Email: info@sistech.com.vn ; support@sistech.com.vn
Website: sistech.com.vn

2. Website: http://wae.vn
Email: lienhe.wae@gmail.com
Phone: 0169 210 3017
Facebook: https://www.facebook.com/waeVN/
Địa chỉ: Lầu 1, 143 Trần Nhân Tôn, quận 10