Khoang San Thep Khai Hoan - Phu Tho Joint Stock Company Address: No 01, Vo Thi Sau Street, Gia Cam Ward, Viet Tri City, Phu Tho Province Enterprise code: 2600409415 Phone: 0210215299 Representative: Tran Ngoc Khai Adress: No 8, Civil Group 50, Nghia Tan Ward, Cau Giay District, Ha Noi City Gia Cam Ward, Viet Tri City, Phu Tho ProvinceFounding date: 17 - 12 - 2007