In the packaging business card printing and membership card making business from membership card before design to membership card after processing, the bar code is a very important part. On the various products in the packaging business card printing and membership card making process required for the bar code number, product requires 2 to 3, some products require more. In the case of some products there is only one species, it simply one for sales of bar codes or product batch identification barcode and in cards and membership cards to make internal use of bar code; some special products, such as the package of the bulb, pharmaceuticals, it not only has a lot of species and many of the types in the same way as on boxshape, colors that are similar, requiring more barcode to membership card after processing in the control. The following according to the packaging business card printing and membership card of the production process to look at the bar code on the business card printing and membership card production processes throughout all parts of the problem.

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