Kien Truc Samu Joint Stock Company Address: No 4, Lane 146/38, Street 19/5, Van Quan Ward, Ha Dong District, Ha Noi City Enterprise code: 0111103272 Phone: 0969213685 Representative: Nguyen Dang Thieu Van Quan Ward, Ha Dong District, Ha Noi CityFounding date: 23 - 6 - 2025