Yingyun Tech Viet Nam LTD Address: 3rd Floor, Hoang Ngan Plaza Building, No 125 Hoang Ngan, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0109168025 Phone: 0906773367 Representative: Doan Thao Vy Adress: 36/3D Quang Trung, Ward 8, Go Vap District, Ho Chi Minh City Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 29 - 4 - 2020