1)bolts/non-standard bolts/bolts for autos 2)high precision 3)quality be assured 4)competitive ... Hydraulic press machines,Auto-Turning machines,bending machines,stamping equipment for carbon dioxide gas arc welding and argon-arc welding 2 ... (Zinc, Nikel, Chrome, Tin, Ag); Painting, Powder, Anodizing, E-coating, Silkscreen, Heat treatment, Black oxid standard metal stamping stamped nut bolts for autos