... steel,alloy,rubber etcSizeCustomizedProcessCNC milling and turning,drilling,grindingSurface treatmentZinc (Fe/Zn; Cu/Zn - white, yellow, black)platedNickel Fe/Ni Cu/Ni (glossy)platedNickel Fe/Ni Cu/Ni ... (matt) (small pieces) Electro polishing of stainless steel Chemical inhibition (Cu/Brass)Anodizing, Polish,Sand ...