Phat Trien Cong Nghe Va Thuong Mai Sao Mai Joint Stock Company Address: P511-N5 Tap The Nghia Tan Bac, Nghia Tan Ward, Cau Giay District, Ha Noi City Enterprise code: 0101766802 Phone: 0248360120 Representative: Mai Trong Chinh Adress: No 512, B5 Dong Xa Mai Dich, Cau Giay District, Ha Noi City Nghia Tan Ward, Cau Giay District, Ha Noi CityFounding date: 6 - 9 - 2005