- Steel Pipe
- Drawing No：26130000321
- Steel Pipe
- Drawing No：26130000311
- Steel Pipe
- Drawing No：26130000292
- Steel Pipe
- Drawing No：26130000291
- 吸油钢管
- Drawing No：26110200841
- 吸油胶管
- Drawing No：26110200831
- 板
- Drawing No：26110200821
- 板
- Drawing No：26110200811