Concrete Pump Pipe SCHWING, PUTZMEISTER, SANY, ZOOMLION SUPPLIER, ST52 SEAMLESS, DN125 ( ... 1. We are a professional manufacturer of concrete pump parts in China, specialized in producing concrete pump delivery pipe, rubber hose, elbow, bend ... boom, and so on 2. We have been supplying concrete pump parts for SCHWING, PUTZMEISTER, SANY, CIFA, KYOKUTO, ZOOMLION for 10 years ...