NORINCO (North Industries Company – Beijing, Persons's Republic of China. Operates many state arsenals that produce weapons and munitions for the two the armed forces and civilian markets. Ammunition headstamp has the arsenal amount at 12 o'clock and the final 2 digits from the calendar year of manufacture at https://daltonslxju.onesmablog.com/fascination-about-1911-ronin-9mm-handgun-58888840