Cong Nghe Ky Thuat Thien Thuy Joint Stock Company Address: No 3, Day 7, 12 Phuc La Civil Group, Phuong, Ha Dong District, Ha Noi City Enterprise code: 0111550055 Phone: 0913456346 Representative: Do Tuan Dat Ha Dong Ward, Thanh Tri District, Ha Noi CityFounding date: 25 - 6 - 2026