The bronze bushing usings special formula of high density copper alloy strip as the substrate, the surface can be used to tie the diamond shaped or hemispherical oil hole, oil groove. Advantages: high density, high bearing pressure, good wear resistance, long service life and other advantages, in order to replace the traditional cast copper sleeve, can reduce the cost of mechanical volume reduction.     the product has a wide application, mainly  suitable for the machinery  equipment, textile machinery, mining machinery, paper machinery, engineering machinery, heavy machinery, metallurgical machinery, blast furnace machinery, cement machinery, glass machinery, chemical machinery, textile machinery, power equipment, rubber machinery, auto parts, electrical accessories, electrical equipment, road machinery, construction machinery, coal machinery, road construction machinery, etc.