Ky Thuat Vien Thong So Smartcom LTD Address: Civil Group 4, Khu 4, Bai Chay Ward, Ha Long City, Tinh Quang Ninh, Viet Nam Enterprise code: 5702183681 Phone: 0903229438 Representative: Pham Thi Thanh Bien Bai Chay Ward, Ha Long City, Quang Ninh ProvinceFounding date: 24 - 4 - 2025