... factory produce 2.high precision 3.low price 4.Automatic Origin Orientation Application:Widely used in advertising industry, ... , metal scutcheon ,bronzing board, carbon plate in battery, Architectural model making, atomic stamps, copper stamp ,aluminum ,jade materials, . ... metal or non metal , etc.Special function :1.Automatic origin orientation2.Intelligent Drilll(Any aperture drilled by the same ...