... above. Process technologyCasting, Machining, Metalworking, Sheet Metal Bending, Surface Treatment, Heat Treatment, Griding, Milling, wire EDM, ... We can provide samples(one piece)before substantial orders. Surface treatmentBlacking, Polishing, Anodize, Chrome plating, Zinc plating ... The defective products rate is 0.1%. Imported material 100%.2.Reasonable price.Precision made. Experienced&Responsible ...