Quan Trac Va Cong Nghe Xu Ly Moi Truong Khoi Nguyen LTD Address: No 121C, Lane 345, Khuong Trung Street, Khuong Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0105775572 Phone: 02435651331 Representative: Tran Quang Anh Khuong Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 16 - 1 - 2012