Pump Pipe manufacturers Description 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 pump parts for SCHWING, PUTZMEISTER, SANY, CIFA, KYOKUTO,...