| 1. | Cold - drawn or cold - rolled precision seamless steel tubes 冷拔或冷轧精密无缝钢管 |
| 2. | Hard - drawn aluminium wire for overhead line conductors 用于架空导线的冷拔铝丝 |
| 3. | Cold - drawn or rolled precision seamless steel tubes 冷拔或冷轧精密无缝钢管 |
| 4. | Heavy duty draw bench chains and wheels 双链冷拔机用重载直板滚子链和链轮 |
| 5. | Hf hanguan processing , manufacture ; lengba processing 高频焊管的加工、制造;冷拔加工。 |
| 6. | Aluminium and aluminium alloys extruded tubes and cold - drawn tubes 铝和铝合金挤压管材和冷拔管材 |
| 7. | Cold drawn seamless special - shape steel pipe 冷拔无缝异型钢管 |
| 8. | Cold drawing low carbon seamless steel tube 冷拔低碳无缝钢管 |
| 9. | The materials and heat treatment of precision cold - drawing machine mould 精密冷拔机用模具的选材及热处理 |
| 10. | Cold drawn shaped steel tubes 冷拔异型钢管 |