1 CNC &turning& Machining 2 material :aluminum 3 ... Tin, Ag); Painting, Powder, Anodizing, E-coating, Silkscreen, Heat treatment, Black oxid; 3) producing scope: cnc ,Laser cutting ... We own Stamping machines, Hydraulic press machines, Auto-Turning machines, CNC-Turning machines, Milling machines, Precision wire cutting machines, ... to customer's requirement sheet metal heat sink with black powder coated