| 1. | Pe - x crosslinked polyethylene pipe fittings for water supply 给水用交联聚乙烯管 |
| 2. | Unplasticized polyvnyl chloride fitting for water supply 给水用硬聚氯乙烯管件 |
| 3. | Unplasticized polyvinyl chloride pipe for water supply 给水用硬聚氯乙烯pvc - u管材 |
| 4. | Pvc - u unplasticized poly vinyl chloride pipes for water supply 给水用未增塑聚氯乙烯 |
| 5. | Pe - x crosslinked polyethylene pipes for water supply 给水用交联聚乙烯管 |
| 6. | Water supply iii style pp - r pipes20mm23mm 给水用三型聚丙烯管件20mm23mm |
| 7. | Steel reinforced polyethylene plastic pipes for water supply 给水用钢骨架聚乙烯塑料复合管 |
| 8. | Double wall polyethylene pipes for water supply 给水用双层壁聚乙烯管 |
| 9. | General specifications of iron valves for urban water supply 城镇给水用铁制阀门通用技术要求 |
| 10. | Pvc - u unplasticized poly vinyl chloride pipe fittings for water supply 给水用未增塑聚氯乙烯 |