DJ PUMP INTRODJ pump works underwater Posted on June 13, 2019June 13, 2019 by DJ PUMPThis video shows the DJ pump works underwater. DJ PUMPAir Operated Diaphragm Pumps--Metallic, Non-Metallic China Pump Parts Export Data from Jan. to Sep. of 2017Pneumatic Pumps Export Date from Jan. – Jun. 2019