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Laser marking QR code on stainless steel nameplate
Detailed Description
The QR codes on some products we have seen are engraved by laser marking machines. The principle of laser marking technology is to irradiate the surface of the workpiece with a high-energy laser beam, and instantly vaporize to form a two-dimensional code. The non-contact processing has little impact on the workpiece, and it can also be one object, one code, and the marking has longevity. 
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