Airport seating surface coating treatment of back?

Airport runs through the back of the surface coating processing methods: 1: seat back, the armrest, chair foot, rail, etc. All hardware by oil removal, rust removal, phosphating, comprehensive, watch, such as pre-processing, electrostatic spraying powder after high temperature drying oven, again into the high temperature furnace regularly make surface of powder flow flat curing. 2: seat back, the armrest, chairs the feet, through the electrostatic spraying powder after curing, has been the second flash silver oil spraying again into the high temperature furnace curing regularly.