... producing concrete pump delivery pipe, rubber hose, elbow, bend, reducer, coupling, cleaning ball, piston, cylinder, eye-glass plate, cutting ring, concrete ... /20#/Q235steel pipe1254.03000/2000/1000148mmSchwing,Putzmeister, CIFA, Kyokuto, Sany,4.5148mmSchwing,Putzmeister, CIFA, Kyokuto, Sany,7.0148mmSchwing,Putzmeister, CIFA, Kyokuto ... /ZX-6inch F/MOthers Schwing Concrete Pump Harden Pipe SK Flange