... 4. Competitive price Material Stainless Steel Rectangle Cover Plate with Holes for MachineryTolerance/precision0.01~0.002mmProduct materials Stainless steel:303/304 ... treatmentBlacking, Polishing, Anodize, Chrome plating, Zinc plating,Nickel plating, Tinting, Power coating, E-coating etcQuality controlProfessional precision manufacture1.Quality control:The ...