Quang Cao So Hoa Toan Cau LTD Address: 12th Floor, Viet A Building, No 9 Duy Tan, Phuong, Cau Giay District, Ha Noi City Enterprise code: 0111166258 Phone: (0296) 3116767 Representative: Nguyen Van Thi Ha Noi CityFounding date: 5 - 8 - 2025