Cty TNHH TM Dich Vu Tin Hoc Va Vien Thong Dang Le Son Address: 56/10a Bui Thi Xuan, Ward 05, Tan Binh District, Ho Chi Minh City Enterprise code: 0303366042 Phone: 0289905303 Representative: Nguyen Ngoc Huyen Tran Adress: 50/37/5 Do Tan Phong P.09, Phu Nhuan District, Ho Chi Minh City Tan Binh District, Ho Chi Minh CityFounding date: 13 - 7 - 2004