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