| Application Scenario | Core Requirements | Recommended Material Combination | Surface Treatment Solution |
|---|---|---|---|
| Ordinary Furniture (Drawer / Wardrobe) | Low cost, good appearance | Zinc alloy lock body + Brass cylinder + Cold-rolled steel bolt | Electro-galvanizing (blue-white / color zinc), powder coating |
| Office Filing Cabinet | Medium security, wear-resistant | 304 stainless steel lock body + Hardened steel bolt + Brass cylinder | Brushing & passivation, matte nickel electroplating |
| Medical Cabinet (Medicine / Equipment) | Antibacterial, disinfection-resistant | 304/316 stainless steel lock body + Solid brass panel | Electropolishing, lead-free electroplating (FDA compliant) |
| Industrial Control Cabinet / Outdoor Cabinet | High security, corrosion-resistant | 316 stainless steel lock body + 420 stainless steel bolt + Anti-drilling cylinder | Passivation + fluorocarbon coating (IP65+) |
| Coastal / Marine / Chemical | Extreme corrosion resistance | Full 316 stainless steel lock + Titanium alloy parts (special) | Passivation + cathodic electrophoresis (chloride ion resistance) |
| Aviation / High-End Equipment | Lightweight, high reliability | Aluminum alloy (6061) lock body + Stainless steel core components | Hard anodizing, natural passivation |
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