Khao Sat Va Do Dac Ha Dong - Chi Nhanh Dong Anh Joint Stock Company Address: Duc Noi Hamlet, Dong Anh Commune, Dong Anh District, Ha Noi City Enterprise code: 0104228739-075 Phone: 0779130000 Representative: Vu Xuan Cuong Dong Anh Town, Dong Anh District, Ha Noi CityFounding date: 4 - 3 - 2026