Ban Quan Ly Du An Cong Trinh Huyen Hai Ha Address: 106, Tran Khanh Du Street, Quang Ha Town, Hai Ha District, Quang Ninh Province Enterprise code: 5701036645 Phone: 02033879248 Quang Ha Town, Hai Ha District, Quang Ninh ProvinceFounding date: 1 - 1 - 2009