... Harden Pipe SK FlangeMaterial:ST52, 45Mn2, 20#,Q235 Brand: Schwing, PM, Sany, Kyokuto Cubic: 50,000~ 1. We are a ... , elbow, bend, reducer, coupling, cleaning ball, piston, cylinder, eye-glass plate, cutting ring, concrete placing boom, and so on 2. We ... have been supplying concrete pump parts for SCHWING, PUTZMEISTER, SANY, CIFA, KYOKUTO, ZOOMLION for 10 years, so we ...