Hop Tac Xa Tien Tien Address: No 75 Hang Buom, Hoan Kiem District, Ha Noi City Enterprise code: 0101106700 Phone: 0248295466 Representative: Vu Quang Thach Adress: 75 Hang Buom, Hoan Kiem District, Ha Noi City Founding date: 4 - 4 - 2001