... ,and fabricate extrusion heat sink, Aluminum Extrusion,Sheet Metal Enclosure, and Metal Parts incorporating a variety ... machines, Hydraulic press machines, Auto-Turning machines, CNC-Turning machines, Milling machines, Precision wire cutting ... alloy steel, aluminum, cold rolled steel with various plating3)Surface treatment: kinds of plating (Zinc, Nikel, Chrome, Tin, Ag); Painting, Powder, Anodizing ...