Dau Tu Opex Joint Stock Company Address: No 172, Truong Chinh Street, Le Thanh Nghi Ward, Hai Phong Town, Viet Nam, Hai Phong City Enterprise code: 0801503799 Phone: 0984868939 Representative: Nguyen Hai Anh Le Thanh Nghi Ward, Hai Duong City, Hai Phong CityFounding date: 3 - 8 - 2026