Schwing Concrete Pump Harden Pipe SK FlangeMaterial:ST52, 45Mn2, 20#,Q235 Brand: Schwing, PM, Sany, Kyokuto Cubic: 50,000~ 1. We are a ... boom, and so on 2. We have been supplying concrete pump parts for SCHWING, PUTZMEISTER, SANY, CIFA, KYOKUTO, ZOOMLION for 10 years, so ... /ZX-6inch F/MOthers8.010006inch HD/ZX-6inch F/MOthers Schwing Concrete Pump Harden Pipe SK Flange