It`s a kind of bush wrapped by bronze strip. The bronze is made of particular formulation with high specific gravity and its surface can be incorporated with spherical or diamond shaped indenta- tions or oil grooves as required by customers. It is of high load capacity and long life. Compared with tradtional cast bronze bush, it is more cheap and more compact. Wrapped bronze bush is widely used in hoisting machines, construction machines, automobiles, trucks, machine tools, mineral equipments and etc