- Construction improvement of Beveling Type Plating Barrel
- Construction improvement of Hexagonal Plating Barrel
- Construction improvement of Conduction Bus on Plating Barrels
- The Chucking Device for plating
- The Filter Cartridge Cleaning Machine for plating
- The Self-fastening Conduction Bus device for plating
- The Tilting and Spinning Basket Chucking Crane
- The Injecting Nozzle for Chemical Agitation Tank
- One-piece Copper Conduction Bus for Plating Barrels
- Reclaiming Device of Trivalent Chromate Solution and its Process Control Device
- Processing Device for Barrel Body Perforation
- Simple Rotating Device on Hangers
- Efficiency Improvements of Oil Separating Device
- Mixing Device for Zinc Dissolution Tank
- Mechanisms of Drip Collecting Tray on Cranes
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