1.Precision metal bolt & turned part 2.Good quality at competitive price! 3. ... kinds of precision hardware part,plastic & mould. Such as precision metal turned parts,rivet,screw & nut,pin,shaft,terminal etc; which ... , aerospace, construction, electron, machinery, military project, metallurgy, mould, hydraulic, auto industries. They are made of iron, Stainless steel, copper, aluminium, alloy ...