Van Phong Dai Dien Cong Ty TNHH Sismo Address: No 4, My Da Tay 9 Street, Phuong, Ngu Hanh Son District, Da Nang City Enterprise code: 0402293765-001 Phone: 0784417124 Representative: Le Tien Hung Ngu Hanh Son Ward, Ngu Hanh Son District, Da Nang CityFounding date: 14 - 8 - 2025