Cong Nghe Changqing Viet Nam LTD Address: Zoom 35, 14th Floor, Viet Tower Building, No 1, Thai Ha Street, Phuong, Dong Da District, Ha Noi City Enterprise code: 0111549243 Phone: 0866273058 Representative: Hu, Yaming Dong Da Ward, Dong Da District, Ha Noi CityFounding date: 25 - 6 - 2026