Quan Long Joint Stock Company Address: No 5, 36 Nguyen Viet Xuan Lane, Khuong Mai Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0102700674 Phone: 02422203779 Representative: Tran Thi Nu Adress: Luong Quan 1 Hamlet, Trung Kien Commune, Yen Lac District, Vinh Phuc Province Khuong Mai Ward, Thanh Xuan District, Ha Noi CityFounding date: 1 - 4 - 2008