Cong Nghe Vat Lieu Hoan Thien LTD Address: No 5a, Alley 77/36, Lane 77, Xuan La Street, Xuan La Ward, Tay Ho District, Ha Noi City Enterprise code: 0101256583 Phone: 0249287026 Representative: Nguyen Hong Long Adress: F301, A6 Trai Gang, Hai Ba Trung District, Ha Noi City Xuan La Ward, Tay Ho District, Ha Noi CityFounding date: 8 - 7 - 2002