... good quality 2.material:stainless steel 3.process:stamping,welding metal caseDetail Feature: Materialsstainless steelSoftware for drawing PRO/E, ... lathesProcess stamping,punching,pressing,machining,welding,bending & metal fabrication,etc Surface finishpolishQuality Guarantee metal processing, surface treatment, QC testing and packing ... only to show our productive capacity ,not for sales . metal case