Specializing in electronic circuit board assembly services. Our capabilities include PCB engineering, PCB assembly, PCB designing, PCB prototyping, PCB testing, PCB rework, PCB repair and soldering, supply chain management, documentation with on-time delivery. As a contract manufacturer of high-technology electronic assemblies, Sierra Assembly provides a full range of manufacturing and PCB engineering services. From PCB prototype to production, Sierra Assembly delivers consistent quality, dependability, on-time delivery, and prompt responsiveness at all points in our processes