Van Phong Dai Dien Cong Ty Co Phan Cong Nghe Dinh Duong Hoha Address: Nha B4, Alley 1, Lane 187, Nguyen Tuan Street, Phuong, Thanh Xuan District, Ha Noi City Enterprise code: 0801355766-001 Phone: 0367611637 Representative: Pham Thi Hoa Ha Noi CityFounding date: 20 - 10 - 2025