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15kHz 2600W High Frequency Plastic Welder Ultrasonic Sealing Machine for Trading Card Encapsulation Slabs Cases, Find Details and Price about Ultrasonic Machine Ultrasonic Sealing Machine for Card Slabs from 15kHz 2600W High Frequency Plastic Welder Ultrasonic Sealing Machine for Trading Card Encapsulation Slabs Cases - Dongguan Hansweld Co., Ltd.