... ASTMB 441-96 2.YS/T 334-1995 high quality beryllium copper wire With higher strength, hardness and ... washer, micro-engine brush and commutator, plug-in connections, switch, button, clock component, audio-part, high rank bearing, ... gear, mobile electrical applications, plastic mould, welding electrode, sea-bottom cable, anti-pressure case, non-sparkling tools, etc. high quality ...