Profile: B Y M Ultrasonics, offers a complete line of refurbished, reconditioned and used Branson Ultrasonics plastic welders and welding systems. This includes models 400, 500, 800, 900, 2000 series (from 120 to 3200 watts) at 20 KHz and 40 KHz. We also have in stock ultrasonic converters, hand gun ultrasonic plastic welders and a wide range of new and used spare parts like power supplies, converters, boosters , programmers, and transistors for any Branson ultrasonic welder. We manufacture tool steel, aluminum and titanium ultrasonic welding horns and fixtures for unique plastic assembly application. We also service and repair all Branson welding equipment with fast turnaround times.