| 1. | Ductile iron pipes - external zinc - spray coating 球墨铸铁管外表面喷锌涂层 |
| 2. | Ductile iron pipe flanges and flanged fittings 球墨铸铁管法兰和法兰配件 |
| 3. | Quenching ageing automatic heat treatment lines for aluminium foundries 离心球墨铸铁管生产工艺 |
| 4. | No . 1 wold producer for ductile iron pipes 球墨铸铁管世界第一 |
| 5. | Thickness design of ductile - iron pipe 球墨铸铁管的厚度设计 |
| 6. | External protection of ductile cast iron pipes ; polyethylene sleeving 球墨铸铁管的外部防护.聚乙烯护套 |
| 7. | World producer for ductile iron pipes 世界第一球墨铸铁管 |
| 8. | Continuous casting ductile iron pipes 连续铸造球墨铸铁管 |
| 9. | Cement mortar inner lining for centrifugal ductile iron pipes and fittings 水泥内衬离心球墨铸铁管及管件 |
| 10. | Ductile iron pipes - bitumen coating 球墨铸铁管沥青涂层 |