... printer , metal printing machine resist of sunshine , scratch and waterproof metal priter,metal surface printer,metal printing machineQingdao magnetic Digital ... printer ,A1,A2 and A3 one ,the difference is the printing size.Print: 6-ink jet method (Green / magenta / ... ordinary coating, special use (enhanced) coating type 1, special use (enhanced) coating type 2, omnipotent, with a coating detergentin ...