Concrete Pump Pipe SCHWING, PUTZMEISTER, SANY, ZOOMLION SUPPLIER, ST52 SEAMLESS, DN125 (5'') ... 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 ...