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