Truong Mam Non Sao Mai Address: Vinh Xuan, Dong Trieu Town, Quang Ninh Province Enterprise code: 5701470531 Phone: 02033872052 Adress: Dong Trieu Town, Quang Ninh Province Dong Trieu Town, Quang Ninh ProvinceFounding date: 18 - 3 - 2011