Hoang Yen LTD Address: No 164 Lach Tray, Ngo Quyen District, Hai Phong City Enterprise code: 0200277337 Phone: 0225846117 Representative: Nguyen Thi Hong Yen Adress: No 164 Lach Tray, Ngo Quyen District, Hai Phong City Founding date: 18 - 9 - 1998