Hoc Quan Son Chu Joint Stock Company Address: Zoom 301, No 21, Lot 1B, Trung Yen 11a Street, Trung Hoa Ward, Cau Giay District, Ha Noi City Enterprise code: 0111091757 Phone: 02999459888 Representative: Nguyen Duc Hoang Trung Hoa Ward, Cau Giay District, Ha Noi CityFounding date: 16 - 6 - 2025