Thuong Mai Tu Van Dich Vu Ky Thuat Hai Son LTD Address: No 131 Nguyen Huu Cau, Ngoc Hai Ward, Do Son District, Hai Phong City Enterprise code: 0201288275 Phone: 02253746917 Representative: Nguyen Manh Toan Adress: No 10/145 Hoang Cong Khanh, Lam Ha Ward, Kien An District, Hai Phong City Ngoc Hai Ward, Do Son District, Hai Phong CityFounding date: 8 - 1 - 2013