Ky Thuat Son Phat Joint Stock Company Address: No 47, Nhan Hoa Street, Thanh Xuan Trung Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0101578774 Phone: 0245524395 Representative: Hoang Thi Cham Adress: No 47, Civil Group 1, Thanh Xuan Trung Ward, Thanh Xuan District, Ha Noi City Thanh Xuan Trung Ward, Thanh Xuan District, Ha Noi CityFounding date: 9 - 12 - 2004