Dong Xanh Joint Stock Company Address: No 327a Ngo Gia Tu, Duc Giang Ward, Long Bien District, Ha Noi City Enterprise code: 0101561555 Phone: 0248274736 Representative: Hoang Minh Tuan Adress: Civil Group 8, Thach Ban Ward, Long Bien District, Ha Noi City Founding date: 12 - 11 - 2004