hkusm30

surface processing 1.good quality 2.easy operation surface processingBrief advantage(technological revolution in the world:1. it can get surface roughness below Ra0.2 easily.2 it suitable for different shape workpiece,like external,internal,Cross section,Curved surface sphere,,ect.3.it suitable for all kinds of metals,like carbon steel, aluminum alloy,copper,ect.4.it can be used in all kinds of ...