... metal plating,electrophoresis, polishing,Aluminum color Multi-functional High speed electronic engraving machine is one of used specific liquid that to engraving ... 01105380.1 etc, via of testing report from National product quality & control bureau: NPQC No.3. 200150013, as well as ... plating, etc. it not only for hanging plating, but roll plating as well, with suit for all products surface plating ...