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