Ky Thuat Moi Truong Thai Son LTD Address: No 68, Lane 5, Le Trong Tan, La Khe Ward, Ha Dong District, Ha Noi City Enterprise code: 0500571837 Phone: 0243513245 Representative: Nguyen Trung Son Adress: No 68, Lane 5, Le Trong Tan, Quang Trung Ward, Ha Dong District, Ha Noi City La Khe Ward, Ha Dong District, Ha Noi CityFounding date: 8 - 11 - 2007