1.made all metal parts ,OEM service. 2.high precision and nice surface treat. 3.with the best price . 4.toleranc 0.02MM. high precision metal parts.1.)with well deburr,perfect surface,high quality2.)competitive price with the high quality3.)materials:steel,stainless steel,brass,zinc alloy,aluminum,iron,and ect.4.)process/treatment:cutting ,stamping,perforating, bending, welding,plating, ...