The product is made of high quality low-carbon steel with sintering porous bronze as its interlayer, and the compound of polyoxymethylene (POM) & Pb as its surface. It can offer the good load capacity and wear-resistant. The product is applied to vehicle chassis, forging and pressing machine, metallurgical machinery, mining machinery, hydraulic and rolling steel industry, etc. Available Mode: Cylinder bushing, flange, thrust washer, sliding plates and other non-standardized product components. Tolerance: The common recommended tolerance of a saddle bore is H7, and the journal tolerance is f7 or h8.