Ky Thuat Thanh Long Joint Stock Company Address: No 147, Lane 521, Truong Dinh Street, Thinh Liet Ward, Hoang Mai District, Ha Noi City Enterprise code: 0109832126 Phone: 0976598600 Representative: Pham Thanh Duong Thinh Liet Ward, Hoang Mai District, Ha Noi CityFounding date: 24 - 11 - 2021