... have 2.4 layer concrete pump rubber hose,1m-12m,DN125 DN1002.the rubber hose is for sany schwing Pm ect concrete ... -15,000 cubic meters in china 4.hose ends can be galvanized 5,integrated hose end and inner wall hardened, prolong working ... .510mManganese125± 1148± 1≤82070012.512mManganese125± 1148± 1≤71870012.5 As a supplier of SCHWING, SANY, ZOOMLION,PM,IHI,JUNJIN etc.concrete ...