Thuong Mai Va Dich Vu Ky Thuat Hoang Long LTD Address: 117a, Ngo Quyen District, Hai Phong City Enterprise code: 3501821179 Phone: 0979148575 Representative: Nguyen Thi Duong Rach Dua Ward, Vung Tau City, Ba Ria Vung Tau ProvinceFounding date: 19 - 4 - 2011