Phat Trien Thuong Mai Va Ky Thuat Viet Nam Joint Stock Company Address: No 75, Dai Dong Lane, Kham Thien Street, Kham Thien Ward, Dong Da District, Ha Noi City Enterprise code: 0103775351 Phone: 02462841266 Representative: Tran Tien Tai Adress: 487, Truong Dinh Street, Tan Mai Ward, Hoang Mai District, Ha Noi City Kham Thien Ward, Dong Da District, Ha Noi CityFounding date: 7 - 5 - 2009