Filters with plastic housings can be tightly welded and mark-free welded using ultrasonic technology; the welded filters are sealed and beautiful on the outside.
The use of ultrasonic welding eliminates the need for needle and thread, saves the trouble of frequent needle and thread changes, does not have the broken thread joint situation of traditional thread stitching, and also allows for neat localized cutting and sealing of textiles.
In the filter, the filter media must be welded firmly and must have high and low temperature performance, and ultrasonic welding perfectly meets the conditions
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