... experiences5. OEM by buyer's drawings6.Surface treatment: zinc plated, nickel plated, throme plated, anodized, powder coating, heat treatment7. High quality ... , engraving, injection,etc.Surface treatmentAnodizing, polishing, powder coating, sandblast , zinc/nickel/chrome plating, brushing, passivation,etc.Drawing formatCAD / PDF/ DWG/ IGS/ STEPPackaging ...