Specializing in Heat Staking, Ultrasonic Welding, & Pneumatic Presses, Machinery, Tooling, Repairs, & Service. With over 26+ years of experience in the Plastic Welding & Joining field Sonitek is the market leader in Heat Staking machines, equipment & tooling. Sonitek also has a wide variety of Ultrasonic Welders as well as Ultrasonic Converters, Boosters, Horns, Power Supplies and used equipment.