Ky Thuat Tong Hop Tam An LTD Address: Hamlet 3, La Tinh Hamlet, Dong La Commune, Hoai Duc District, Ha Noi City Enterprise code: 0109767237 Phone: 0824710122 Representative: Phung Thi Huong Dong La Commune, Hoai Duc District, Ha Noi CityFounding date: 7 - 10 - 2021