Phat Trien Cong Nghe Truyen Thong Joint Stock Company Address: 5a Nha23, Nha Dau Kham Thien Town (4, Alley 42, Lane 222), Le Duan, Kham Thien Ward, Dong Da District, Ha Noi City Enterprise code: 0101640951 Phone: 0245182499 Representative: Vu Quoc Anh Adress: 137 Civil Group 13, Vinh Tuy Ward, Hai Ba Trung District, Ha Noi City Kham Thien Ward, Dong Da District, Ha Noi CityFounding date: 22 - 4 - 2005