Khao Sat Dia Chat Xu Ly Nen Mong Va Xay Dung Dan Dung Joint Stock Company Address: No 156, Dong Cac Street, O Cho Dua Ward, Dong Da District, Ha Noi City Enterprise code: 0101915765 Phone: 0242411612 Representative: Vu Duc Trung Adress: No 108, Khu Lao Dong Thinh Hao, O Cho Dua Ward, Dong Da District, Ha Noi City O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 17 - 4 - 2006