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ZHDZC--300 holographic electro system is available in two models: the soft and hard grooves.

Soft Groove is electroless silver plating or electroless nickel plating of offset lithography or imposition of plastic plate electroformed master master cast and various intermediate masters.

Hard Groove is an intermediate used in electroplating, a molded version of the master.

Electroless silver plating (electroless nickel plating) is through chemical methods, the use of certain chemicals and a double barrel gun will be a conductive layer deposited on after development of offset lithography or imposition of plastic surfaces, this Board can be used in soft Groove electroforming.