Phat Trien Ha Tang Ky Thuat 279 Joint Stock Company Address: Thua Dat So 1171, To Ban Do So 12, Khu Dat Dich Vu Cum Cong Nghiep Lai Xa, Kim Chung Commune, Hoai Duc District, Ha Noi City Enterprise code: 0110925791 Phone: 0972030679 Representative: Hoang Ngoc Manh Kim Chung Commune, Hoai Duc District, Ha Noi CityFounding date: 3 - 1 - 2025