Van Phong Dai Dien Cong Ty Co Phan Ky Thuat Thuong Mai BTN Address: Lau 6, TKT Building, No 569-571-573 Tran Hung Dao, Cau Kho Ward, District 1, Ho Chi Minh City Enterprise code: 0312863932-001 Phone: 0838361537 Representative: Dang Ngoc Manh Adress: Khu Hoa Son, Chuc Son Town, Chuong My District, Ha Noi City Cau Kho Ward, District 1, Ho Chi Minh CityFounding date: 2 - 10 - 2017