Dich Vu Ung Dung Ky Thuat Cao Ve Sinh Moi Truong Dong Anh Joint Stock Company Address: No 62B, Thiet Bi Dien Street, Dong Anh Town, Dong Anh District, Ha Noi City Enterprise code: 0101953383 Phone: 0248835429 Representative: Ho Xuan Hung Dong Anh Town, Dong Anh District, Ha Noi CityFounding date: 30 - 5 - 2006