| 1. | Manufacturing and sales of piping joints and valves
配管接口及真空管的制造销售 |
| 2. | Rsg flexible pipe connector krhd steel flexible pipe joint
Rsg型柔性快速管道连接器 |
| 3. | Krhd steel flexible pipe joint - changmao
Krhd型钢制柔性管接头- changmao |
| 4. | Air - conditioning pipe joint , connection pipe series
空调管接连接管 |
| 5. | Recommendations for classification of imperfections in pipe joint rings
管道接头用密封圈缺陷分类推荐标准 |
| 6. | Holding - inserting model pipe joints
承插式管接头 |
| 7. | Krhd steel flexible pipe joint
松套伸缩接头 |
| 8. | Piping joints and valves
配管接头及阀门 |
| 9. | Quick joining piping joint
快装管接头 |
