YONG HENG 4500PSI PCP Pump High Pressure Air Compressor Spare Parts Accessories Posted on September 10, 2023 by admin YONG HENG 300BAR 30MPA 4500PSI PCP Pump High Pressure Air Compressor Spare Parts Accessories. Type: Spare Parts Accessories. This is a special accessory for YONG HENG Air pump. It is used for YONG HENG air pump.