Phat Trien Dich Vu Ngoc Mai LTD Address: No 7/30, Lane 229/5, Nguyen Van Linh Street, Phuc Dong Ward, Long Bien District, Ha Noi City Enterprise code: 0108243537 Phone: 0961181883 Representative: Dam Thi Thuy Luyen Phuc Dong Ward, Long Bien District, Ha Noi CityFounding date: 20 - 4 - 2018