Dau Tu Ha Tang & Cong Nghe Quantum Viet Nam Joint Stock Company Address: 5th Floor, SPT Building, No 179 Tran Hung Dao, An Hai Ward, Da Nang Town, Viet Nam, Da Nang City Enterprise code: 0402307591 Phone: 0905634880 Representative: Le Van Phong Da Nang CityFounding date: 11 - 11 - 2025