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4140 cylinder barrel
"Stazione idraulica OEM con cromo rigido Stazione idraulica pompatrice
Customizable High-Quality Hydraulic Pump Station Product Specifications Attribute Value Product Name Hydraulic Cylinder Type Telescopic Cylinder Material Steel, Customized Surface Treatment Hard Chrome Plated Customizable Dimensions Rod Diameter, Stroke, Tube Diameters, Length Premium Quality Features Internals: Barrel made to GUOYUE EU/US standards with 45#, 42CrMo, or 27SiMn steel. H8 precision bore with surface roughness Ra
