... Product Description HC-3035 Handle Ultrasonic Plastic Welding MachinePlace of Origin: ChinaModel Number: HC-3035 ... Frequency: 28~35KHz5. Output Power: 300WApplicable Scope: riveting, spot-welding, and folder positioning.Features:1) Uses Piezo ceramics transducer, ... suitable for 1 - 15mm welding situation 5) With various welding techniques in riveting, point welding and circular point6) With full ...