... Schwing, Sany, CIFA, Kyokuto, IHI etc .Products include : delivery pipe , elbow, piston ram ,seal , hydraulic parts . We have ... pipe . Now , our concrete pump pipe include : weld pipe (for stationary pump), ST52 seamless pipe , 45mn2 hardening pipe , Twin layer pipe . Our pipe ... , Niigata, Sany ,zoomlion piston . CONCRETE PUMP RUBBER HOSE: Rubber hose inculde 3 quality grade . One is 2 player steel ...