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Why is barcode widely used

What are the advantages of barcode? Why is PVC bar code widely used? Why do customers choose to use bar code card now? Here, Seaory talks about the adv...

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The Differences between Direct To Card Printer and Retransfer Printer

There are two ways to realize the printing of plastic cards: Re-transfer to the card and Direct to the card. The main difference is that the former pri...

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UV spot craftwork in card manufacture

In card manufacture, UV spot is a special craftwork widely used in processing kinds of membership cards and VIP cards, as it makes the cards appearance...

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RFID high frequency coil design principle

Since the wavelength of the electromagnetic wave is far greater than the identification distance, it can be equivalent to a transformer coupling method...

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What is the working principle of two-dimensional code

Do not know from when, our life suddenly full of two-dimensional code.Scan the QR code to browse the web page, add a friend to scan the QR code, Now ev...

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What are the main ways of printing

The main modern printing methods are Intaglio printing, screen printing, offset printing, pad printing, digital printing, flexo printing, inkjet printi...

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