- 七臺河Drum packing machine
- 七臺河Linear electrochemical copper plating
- 七臺河High speed copper plating
- 七臺河Steel brush machine
- 七臺河Belt sander
- 七臺河High frequency dryer
- 七臺河Electric control programming and distribution panel
- 七臺河Wire drawing machine
- 七臺河Flux cored wire
- 七臺河Robot equipment debugging
- 七臺河Waste gas treatment
- 七臺河Precision layer winding machine
