... , wire cutting,stamping,die casting,bending,injection,welding,laser engraving,knurled,hobing etc.4 ... of professional experiences5. OEM by buyer's drawings6.Surface treatment: zinc plated, nickel plated, throme plated, anodized, powder coating, heat treatment7. High quality ... , stamping, die casting, laser cutting, engraving, injection,etc.Surface treatmentAnodizing, polishing, powder coating, sandblast ...