Tap Doan Cong Nghe KTS Diamond Joint Stock Company Address: No 23, Lane 140, Nguyen Xien Street, Ha Dinh Ward, Thanh Xuan District, Ha Noi City Enterprise code: 0109749774 Phone: 0968651388 Representative: Nguyen Van Manh Ha Dinh Ward, Thanh Xuan District, Ha Noi CityFounding date: 21 - 9 - 2021