Abstract:Zhaojin Mining has a complete professional gold and nonferrous metal industry chain from exploration,mining,processing to smelting.There are a large amount of oil lubrication equipment in the whole production process,the number of oil species up to 307.The number of oil species was dropped to 37,annual purchase cost of lubricants was decreased by more than 20% through implementing lubrication reliability assessment,oil selection optimization,site standardization improvement,lubrication management system implementation and other special lubrication management.The reliability of equipment lubrication was also greatly improved.The situation that enterprise has advanced equipment,but the lubrication is backward was effectively improved.