Profile: Precision Electron Beam, LLC. specializes in electron beam welding. We serve the industries such as aerospace and medical and electronics industries. Our ASM 121H helium leak detector is designed for testing the sensitive applications with large gross leak mode and ultra sensitive vacuum fine leak mode. Our refurbished welding machines operate with a variety of tooling and fixtures which can adapt to any welding requirements. Our electron beam welding equipment includes the process of controllability, that is, the control of beam power, spot size and spot position & both beam power & spot size can be controlled by simple machine adjustments.