- 瓊海Drum packing machine
- 瓊海Linear electrochemical copper plating
- 瓊海High speed copper plating
- 瓊海Steel brush machine
- 瓊海Belt sander
- 瓊海High frequency dryer
- 瓊海Electric control programming and distribution panel
- 瓊海Wire drawing machine
- 瓊海Flux cored wire
- 瓊海Robot equipment debugging
- 瓊海Waste gas treatment
- 瓊海Precision layer winding machine
