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