O To Huy Hoang QN Joint Stock Company Address: No 75, Nguyen Van Cu Street, 5B Civil Group, Khu 1a, Hong Hai Ward, Ha Long City, Quang Ninh Province Enterprise code: 5701674359 Phone: 0936610026 Representative: Nguyen Van Hai Adress: Thuong Hai Hamlet, Binh Lang Commune, Tu Ky District, Hai Duong Province Hong Hai Ward, Ha Long City, Quang Ninh ProvinceFounding date: 18 - 4 - 2013