On July 16, 2021,HFJ500C crawler water well drilling rig and HF35/34 air compressor were sent to Heilongjiang. HFJ500C has a borehole depth of 500m, a borehole diameter of 115-350mm, engine CAN monitor, HQ 40 feet. The perfect combination of an Atlas air compressor with an air flow rate of 35m³/min and a working pressure of 34bar will bring higher work efficiency to customer projects.