Hai Vinh Joint Stock Company Address: Civil Group 1, Khu Vinh Hoa, Mao Khe Town, Dong Trieu Town, Quang Ninh Province Enterprise code: 5700618305 Phone: 02033872847 Representative: Hoang Duc Vinh Adress: Quarter 2, Mao Khe Town, Dong Trieu Town, Quang Ninh Province Mao Khe Town, Dong Trieu Town, Quang Ninh ProvinceFounding date: 14 - 12 - 2006