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