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Mold drying, also known as mold biting, mold etching, mold etching, etc., is a common process for mold surface treatment. Now most of them are using laser marking machine for sunburn (called: laser sunburn).

    Laser patterning: It is the principle of using laser marking machine to etch, using the principle of laser to etch the metal surface of the mold, and various effects obtained by etching the mold surface.