Handheld Ultrasonic Welding Machine power:300w frequency:35khz weight:14KG Digital Ultrasonic Generator Applications:Mainly ultrasonic welding, ultrasonic riveting ... durable. 2, aircraft design, smart, Japan, linear guide device, chassis, four-point level of design, ... Xiang Wang Optical Group (VANGUARD), etc. Plastic machine and welding mould made according to your specific requirements. welcome ...