Kien Truc Oa Joint Stock Company Address: No 5, Lane 55, Nguyen Ngoc Nai Street, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0107696848 Phone: 0944195366 Representative: Tran Quang Lam Adress: Zoom 1503 CT8C, KDT Duong Noi, Yen Nghia Ward, Ha Dong District, Ha Noi City Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 9 - 1 - 2017