WE ARE OFFERING FOR A  GOOD QUALITY PRODUCT WITH COMPETITIVE PRICE.ALL KINDS OF ConCRETE PUMP PARTS LIKE CLAMP COUPLING 5.5",RUBBER SEAL 5.5" CLEANING SPonGE BALL,WELD ON COLLAR,WATER PUMP SHAFT TYPE AND GEAR TYPE,RUBBER PISTON RAM,ConTROLLABLE FLEXABLE CABLE,DOUBLE AND SINGLE RACK LEVER VALVE,ELBOW ,DELIVERY PIPE 3 METER,RUBBER HOSE WITH FLANGE,ETC