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