Schwing Concrete pump parts pipe 45Mn2, 20#,Q235 Brand: Schwing, PM, Sany, Kyokuto Cubic: 50,000 1. We are a professional manufacturer of concrete pump parts in China, specialized in producing concrete pump delivery pipe, rubber hose, 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 ...