Hoang Ha Joint Stock Company Address: Khu 3, Van Phu Ward, Viet Tri City, Phu Tho Province Enterprise code: 2600315559 Phone: 02103849831 Representative: Hoang Manh Toan Adress: Civil Group 4, Khu Tan Thuan, Tan Dan Ward, Viet Tri City, Phu Tho Province Van Phu Ward, Viet Tri City, Phu Tho ProvinceFounding date: 17 - 9 - 2004