PRIMST started air source heat pump water heater since 2004, of which mainly was for export market. PRIMST air source heat pump water heater export is expected to go beyond 4 million dollars, including OBM & OEM. PRIMST air source heat pump water heaters are mainly exported to Korea, Spain, France, United Kingdom, Australia, Canada, and Belgium. East Europe was the newly developed market in 2009. Despite ill influence of the economic crisis and export shrink, PRIMST stands on an outstanding position over export due to its HSE ideas and hard efforts.