bearing bushing can sinter brass,etc on surface , have balance of the bridge bush, connecting rod bushing, rocker arm bushing, 1. ... based on low-carbon steel plate as the base material, the surface of materials can be sintered ALSn20Cu, ALSn10Cu etc powder. 2. The ... parts and heavy vehicles is strongest, It's can be used as the balance of the bridge bush, connecting rod bushing, rocker ...