Dau Tu Phat Trien Dai Duong Xanh Joint Stock Company Address: San Xe Nam Hamlet, Dong Ngu Commune, Tien Yen District, Quang Ninh Province Enterprise code: 5700542173 Phone: 02033745438 Representative: Tran Dang Tuan Adress: No 29, Tay Son Street, Quang Trung Ward, Dong Da District, Ha Noi City Dong Ngu Commune, Tien Yen District, Quang Ninh ProvinceFounding date: 19 - 4 - 2005