... machine: 1, Power: 500W 2, Frequency: 35Khz 3, Weight: 10kg handheld ultrasonic plastic welding machineDongguan City South Nekon Machinery Co., LTD founded ... for easy movement and operate, do not need any auxiliary equipment, simplicity of operating, steady output, high efficiency apply to riveting ... Picture:Sample Update Date:2011-07-28 5:05:44 handheld ultrasonic plastic welding machine