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