In Ky Thuat So Thien Vu LTD Address: Nha Ong Nguyen Van Thiep, Ap Don Hamlet, Yen Trung Commune, Tinh Bac Ninh, Viet Nam Enterprise code: 2301359861 Phone: (0239) 2220989 Representative: Nguyen Van Thiep Bac Ninh ProvinceFounding date: 13 - 9 - 2025