... large scale but low cost. 3,very competitive prices with high quality. metal lock box Detail Feature: Materials: alloy steel,stainless steel,carbon ... and various specialized lathesProcess:stamping,punching,pressing,machining,welding,bending & metal fabrication,etc Surface finish: Polishing, zinc/chromate plating, power coated ... only to show our productive capacity ,not for sales . custom metal lock box