Tap Doan HHB Toan Cau Joint Stock Company Address: Hai Au 09-3a Nha 23 Vinhomes Ocean Park, Xa, Gia Lam District, Ha Noi City Enterprise code: 0111276194 Phone: 0866561846 Representative: Pham Thi My Linh Ha Noi CityFounding date: 7 - 11 - 2025