1,low noise, good lubrication. 2,long working life. 3, promptly deliver, ... B/L B: 100% L/C At Sight ApplicationHome appliances, low noise and high speed electric motors, automotive components, pumps, machinery. ServiceOEM ... requirement.1.Assembly2.Windage test3.Cleaning4.Rotary test5.Greasing and gland6.Noise inspection7.Appearance inspection8.Rust prevention9.Product packaging Marginal lubricating ...