Capitol Design & Engineering, Inc. has been manufacturing the highest of quality Ultrasonic Tooling and machined parts since 1990. With over 40 years of experience and knowledge in the Ultrasonic Welding industry, along with 40 years machining and manufacturing.Ultrasonic welding is an industrial technique whereby high-frequency ultrasonic acoustic vibrations are locally applied to workpieces being held together under pressure to create a solid-state weld. Tooling consists of a horn and fixture or anvil. Ultrasonic tooling applications consists of any plastic parts from the medical, auto, packaging, telecommunications and food industry.