Ky Thuat An Vien LTD Address: No 171, Lane 33, Khu Da Sy, Civil Group 6, Kien Hung Ward, Ha Dong District, Ha Noi City Enterprise code: 0107455539 Phone: 0912217865 Representative: Bui Dinh Thuan Adress: No 753, Nha H14, Tan Mai Street, Tan Mai Ward, Hoang Mai District, Ha Noi City Kien Hung Ward, Ha Dong District, Ha Noi CityFounding date: 1 - 6 - 2016