iron bushing: Base material: GCr15 applied in the surpporting parts of hoisting machines

 iron bushing:

products of WZB-7 series are a kind of fortified products. due to it's excellent comprehensive capability, it's especially suited in the surpporting parts of hoisting machine, eg. surpport of rooter, surpport of hoist engine, surpport of crane and so on. but as for theri matrix being steel, they cannot suitable for circumastances with water , acid and alkali.

WZB-7 iron graphite impreganted bushing