Drop Button LTD Address: Lot No D5C-66 Khu D5, Khu Dau Gia 18.6ha, Lac Long Quan Street, Phu Thuong Ward, Tay Ho District, Ha Noi City Enterprise code: 0110339324 Phone: 0815202999 Representative: Tran Quang Vinh Phu Thuong Ward, Tay Ho District, Ha Noi CityFounding date: 4 - 5 - 2023