... Compact resistance 3.Waterproof 4.Real factory Best sheet metal extruded aluminum electronic enclosure Feature1.We can make ... bearing seat, spring, connector, socket, bushing, push-button, etc.Surface Finishannealing, natural anodization, heat treatment, polishing, nickel plating, chrome ... , welding and assemblyOther products for reference: Best sheet metal extruded aluminum electronic enclosure