Truong Mam Non Quang Thanh Huyen Hai Ha Address: Hai Thanh Hamlet, Quang Thanh Commune, Quang Thanh Commune, Hai Ha District, Quang Ninh Province Enterprise code: 5701075891 Phone: 02033763864 Adress: No 26, Nguyen Du Street, Quang Ha Town, Hai Ha District, Quang Ninh Province Quang Thanh Commune, Hai Ha District, Quang Ninh ProvinceFounding date: 11 - 3 - 2009