Blank Room LTD Address: 11, Lane 137, Hao Nam, O Cho Dua Ward, Ha Noi Town, Viet Nam, Ha Noi City Enterprise code: 0111622912 Phone: 0938385090 Representative: Pham Le Ngoc Ha O Cho Dua Ward, Dong Da District, Ha Noi CityFounding date: 4 - 9 - 2026