According to the plate used in the printing plate, there are wood, stone, zinc version (aluminum version), aluminum, copper, nickel, steel, glass, stone version, magnesia, electroplated multi-layer, paper , Nylon version, plastic version, rubber version and so on.
Wood version, stone version, glass version, etc., can not be changed, can only be used for flat bed machine printing. Copper plate, steel plate for gravure printing. The rest is used for lithography or rotary presses.
Alloy version of aluminum, antimony, tin alloy solution cast paper version of the lead or cast for the type of typography. There are magnesium, aluminum alloy Mila version, and copper, nickel, alloy, and so on.
Multi-layer metal version of the copper surface of the double-layer metal plate and chrome surface copper layer (even useful stainless steel) of the three metal version.