Ky Thuat Chieu Sang Viet Nam Joint Stock Company Address: No 6a, Alley 409/7, An Duong Vuong Street, Phu Thuong Ward, Tay Ho District, Ha Noi City Enterprise code: 0106509157 Phone: 02437579360 Representative: Vu Thi To Lan Adress: No 242, Ba Trieu, Le Dai Hanh Ward, Hai Ba Trung District, Ha Noi City Phu Thuong Ward, Tay Ho District, Ha Noi CityFounding date: 15 - 4 - 2014