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Primarily through a temperature-controlled heating plate embossed plastic parts. When embossing, the heating plate is placed between the two plastic pieces, while the workpiece when you close the heating plate, plastic began to melt. After a preset period of time has passed, the surface of plastics will reach a certain degree of melting, and workpiece parted, the heating plate is removed, and then the two workpieces together and, when reached after a certain depth of the embossing and embossing, embossing process as a whole.