1.Concrete Pump Pipe 2.Material:ST52 3.Client:Russian,Jordan,Saudia,Iran,American ... .5148mm48Pm7.0148mm76SchwingTwin-Wall Pipe1252+2148mm45 Schwing2.5+2148mm48Schwing4.5+3148mm76SchwingZX-Pipe(ST52)1257.05" F/M flanges pmHardened ZX-Pipe1257.05 ... " F/M flanges PutzmeisterSchwing F/M Pipe (ST52 )1254.0 5" F/M flanges Schwing4.5 5 ...