Chi Cuc Hai Quan Cua Khau Tra Linh Address: Hang Pao Hamlet, Hung Quoc Town, Tra Linh District, Cao Bang Province Enterprise code: 4800185075 Phone: 02063880227 Hung Quoc Town, Tra Linh District, Cao Bang ProvinceFounding date: 11 - 2 - 2009