Tu Van Xay Dung Quoc Oai Joint Stock Company Address: Khu Tap The Giao Thong Thi Tran, Quoc Oai Town, Quoc Oai District, Ha Noi City Enterprise code: 0103870100 Phone: 0904705877 Representative: Nguyen Ngoc Tan Quoc Oai Town, Quoc Oai District, Ha Noi CityFounding date: 27 - 5 - 2009