About

Founded in 1974, SONOTRONIC has grown from a small garage operation to a global leader in ultrasonic plastic joining technology. The company is committed to continuous innovation in its products and technologies, ensuring high-quality plastic connections. Its success has led to an expanding customer base and significant local employment in Karlsbad. SONOTRONIC's services extend to the production of tubular bags, blisters, pouches, cartons, tubes, food trays, cups, and packaging. The company also specializes in joining, cutting, sealing, and cut & seal processes using ultrasonic technology.

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