Tu Van Cong Nghe - Xay Dung Petrolimex Joint Stock Company Address: No 1, Kham Thien Street, Kham Thien Ward, Dong Da District, Ha Noi City Enterprise code: 0104025168 Phone: 02435161410 Representative: Luong Quang Hieu Adress: No 22, Civil Group 18, Cau Dien Ward, Nam Tu Liem District, Ha Noi City Kham Thien Ward, Dong Da District, Ha Noi CityFounding date: 2 - 7 - 2009