- Steel Pipe
- Drawing No：26130001001
- Steel Pipe
- Drawing No：26130000981
- 吸油钢管
- Drawing No：26110201811
- 吸油钢管
- Drawing No：26110201801
- 油路固定板
- Drawing No：26110201722
- 油路固定板
- Drawing No：26110201721
- Steel Pipe
- Drawing No：26030101571
- 中冷钢管
- Drawing No：26030101561