Hoan Cau Mobile LTD Address: No 28, Le Thi Hong Gam Street, Mong Cai 1 Ward, Tinh Quang Ninh, Viet Nam Enterprise code: 5702230042 Phone: 0982888268 Representative: Bui Tuan Manh Mong Cai 1 Ward, Cam Pha City, Quang Ninh ProvinceFounding date: 30 - 6 - 2026