the original  intention of embossed patterns on cigarette foil papers is only for decoration,and the main purpose is anti-counterfeiting to safeguard legal interests of enterprises,However,common base grain is exteemely easy to be     imitated.Therefore,Technicians of jingyi Company have created special 73-line Base Grain with the following characteristics:

            EVERY BASE GRAIN POINT OF 0.25MM*0.25MM is divied into 4 small points,thus lines hide in line and points hide in point.in this way.

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