Phat Trien Thuong Mai Va Ky Thuat Joint Stock Company Address: 111 Trieu Viet Vuong, Bui Thi Xuan Ward, Hai Ba Trung District, Ha Noi City Enterprise code: 0101218891 Phone: 0249436741 Representative: Nguyen Phuong Vu Adress: 21B Doan Nhu Hai, Hoan Kiem District, Ha Noi City Bui Thi Xuan Ward, Hai Ba Trung District, Ha Noi CityFounding date: 2 - 4 - 2002