 The 37 mm twin mounting was exported to China where it was manufactured and used extensively, as the "Type 65".A turret based version was produced from the late 1980s called the "Type 76" or H/PJA 76.The ZSU-37 was developed late in the Second World War, it was a single 37 mm gun mounted in a large open turret on the chassis of the SU-76 self-propelled gun .