| 1. | Bottom blocks for lifting appliances ; securing plates 提升设备的下滑车.安全板 |
| 2. | Bottom blocks for lifting appliances ; lifting hook nuts 起重机的下滑车.提升吊钩螺母 |
| 3. | Cranes ; quadruple sheave bottom blocks ; assembly 起重机.四滑轮下滑车.组件 |
| 4. | Cranes ; twin sheave bottom blocks ; assembly 起重机.双滑轮下滑车.组件 |
| 5. | Lifting appliances ; lifting hook suspensions for bottom blocks 提升设备.下滑车的提升吊钩悬吊装置 |
| 6. | Cranes ; bottom blocks ; type d rope pulleys with plain bearings 起重机.下滑车.带滑动轴承的d型绳索轮 |
| 7. | Cranes ; bottom blocks ; type c rope pulleys with deep groove ball bearing , without internal sleeve 起重机.下滑车.无内套带深槽滚珠轴承的c型绳轮 |
| 8. | Cranes ; bottom blocks ; type b rope pulleys with deep groove ball bearing and internal sleeve 起重机的下滑车.带深滚道滚珠轴承和内轴套的b型绳索 |
| 9. | Serial lifting appliances ; single and twin sheave bottom blocks for electric hoists ; assembly 系列提升装置.电动葫芦用单滑轮和双滑轮下滑车.组件 |
| 10. | Cranes ; bottom blocks ; type a rope pulleys with cylindrical rolling bearing and internal sleeve 起重机.下滑车.带圆柱形滚动轴承和内套筒的a型绳索轮 |