Chi Nhanh Ho Chi Minh - Cong Ty TNHH Cong Nghe Quang Hoc Viet Nam Address: No 371/8, Hai Ba Trung District, Ha Noi City Enterprise code: 0110776324-001 Phone: 02838969263; Representative: Duong Ba Thong Xuan Hoa Ward, District 3, Ho Chi Minh CityFounding date: 9 - 2 - 2026