Phat Trien Tri Tue Tre Viet Nam Joint Stock Company Address: No 54C, Alley 41, 210 Doi Can Lane, Doi Can Ward, Doi Can Ward, Ba Dinh District, Ha Noi City Enterprise code: 0102052455 Phone: 0247756118 Representative: Ha Hai Thang Adress: No 33, Hoang Thi Loan Street, Ben Thuy Ward, Vinh City, Nghe An Province Doi Can Ward, Ba Dinh District, Ha Noi CityFounding date: 20 - 10 - 2006