| 1. | Cast steel wheels and wrought steel wheels for cranes 起重机用铸钢车轮和锻钢车轮 |
| 2. | Proficient drawing and testing for crane parts 精通图纸和起重机安装和测试程序。 |
| 3. | Casting sheaves for cranes . technical requirements 起重机用铸造滑轮.技术条件 |
| 4. | The design of wireless remote control for crane 液力偶合器传动轴的优化设计 |
| 5. | Casting drums for cranes diameters and drooves 起重机用铸造卷筒.直径和槽形 |
| 6. | Casting drums for cranes technical requirements 起重机用铸造卷筒.技术条件 |
| 7. | Casting drums for cranes type and dimensions 起重机用铸造卷筒.型式和尺寸 |
| 8. | Casting sheaves for cranes . groove profiles 起重机用铸造滑轮.绳槽断面 |
| 9. | Three - point support gear boxes for cranes 起重机用三支点减速器 |
| 10. | Gearboxes with brake motors for cranes 起重机用三合一减速器 |