... of printing machiune our company has been this line for more than 8 years, and we ... punching,riveting Surface treatment plating, Zinc plating, enamel, hot-dip, polishing, hardening clear anodizing, chrome plating, nickel plating, zinc plating, oil injection, ... productionEngineer spot check in productionQC inspects after mass production finishedInternational sales who were trained the technical know ...