punching 1.material and size are nonstandard 2.drawings are appreciated ... , SPTE, tinplate), aluminum alloy, red copper, brass, bronze alloy. etc. are available.4. Process: stamping, deep drawing, welding, Bending, sheet metal fabrication, and ... day with one mold, which owning over 80 sets punch.8. Package: We usually pack the products into plastic bag, then ...