Seltech Electronics Inc. - Electromechanical, passive, semiconductor components and assemblies seltech, milton, ontario, canada, ron armstrong, electronic components, electronics, high tech, hi-tech, electromechanical, passive, semiconductor, components, assemblies, value added services, sub-assembly, computers, telecom, controls, asian, far east Seltech Electronics Inc. in Milton, Ontario Canada is your local North American connection to world-class manufacturers of electronic components, supply electromechanical, passive and semiconductor components and assemblies, and value-added services