Khao Sat Dia Chat & Xu Ly Nen Mong Cong Trinh Joint Stock Company Address: No 169, Vuong Thua Vu Street, Khuong Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101372773 Phone: 0248538265 Representative: Tran Van Quyen Adress: Zoom 407a Nha A6 Khu, Thanh Xuan Bac Town, Thanh Xuan District, Ha Noi City Khuong Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 13 - 6 - 2003