1. We are a professional manufacturer of concrete pumpdelivery pipesin china. Our products include delivery pipes, elbows, reducers, couplings, rubber hoses, cleaning balls and so on. 2. Our products are Top quality in china which can beused on SCHWING, PM, KYOKUTO, SANY, ZOOMLION and have beenrecognized by them. 3. OEM available from us. 4. Different types suit for different working pressure and work site ZLZZ Pipe Specification: TypeDNThickness(mm)Length(mm)Weld-on EndsWeight(kgs)Applicable Pump BrandsST52 Steel Pipe1254.03000148mm41Putzmeister, SchwingST52 Steel Pipe1254.53000148mm46Putzmeister, SchwingST52 Steel Pipe1257.03000148mm72Putzmeister, SchwingHardened Pipe1254.53000148mm Chrome Carbide Insert48Putzmeister, SchwingHardened Pipe1257.03000148mm Chrome Carbide Insert76Putzmeister, SchwingTwin-Wall Pipe1252+23000148mm Chrome Carbide Insert45Putzmeister, SchwingTwin-Wall Pipe1252.5+23000148mm Chrome Carbide Insert48Putzmeister, SchwingTwin-Wall Pipe1254.5+33000148mm Chrome Carbide Insert76Putzmeister, SchwingST52 Steel Pipe1257.03000ZX-5" F/M flangesPutzmeister high pressureHardened Pipe1257.03000ZX-5" F/M flangesPutzmeisterST52 Steel Pipe1254.03000Schwing 5" F/M flangesSchwing high pressureST52 Steel Pipe1254.53000Schwing 5" F/M flangesSchwing high pressureST52 Steel Pipe1257.03000Schwing 5" F/M flangesSchwing high pressureST52 Steel Pipe1258.03000Schwing special F/M flangesSchwing super high pressure (PN200)ST52 Steel Pipe1258.02000Schwing special F/M flangesSchwing super high pressure (PN200)ST52 Steel Pipe1258.01000Schwing Special F/M flangesSchwing super high pressure (PN200)Steel Pipe1004.53000122mm/127mm/4"HDothersSteel Pipe1004.53000122mm/127mm/4"HDothersSteel Pipe1004.53000122mm/127mm/4"HDothersSteel Pipe1508.060006"HD/ ZX-6" F/MothersSteel Pipe1508.030006"HD/ ZX-6" F/MothersSteel Pipe1508.015006"HD/ ZX-6" F/MothersSteel Pipe1508.010006"HD/ ZX-6" F/M If any products we can supply you, please feel free to contact us.