PE管及管件-15-2026.7.22中国石油化工股份有限公司荆门分公司PE给水管\90°弯头 热熔 dn20 PN1.6/GB/T13663.3 PE100PE给水管\90°弯头 热熔 dn355 PN16/S5 GB/T13663.3PE给水管\法兰接头 热熔对接 dn32 PN1.6/S5 GB/T13663.3 PE100PE给水管\法兰接头 热熔对接 dn200 PN1.6/S5 GB/T13663.3 PE100PE给水管\同心大小头 热熔 dn250 ×140 PN1.6/S5 GB/T13663.3 PE100PE给水管\法兰接头 热熔对接 dn90 PN1.6/S5 GB/T13663.3 PE100PE给水管\法兰接头 热熔对接 dn140 PN1.6/S5 GB/T13663.3 PE100PE给水管\法兰接头 热熔对接 dn25 PN1.6/S5 GB/T13663.3 PE100PE给水管\法兰接头 热熔对接 dn20 PN1.6/S5 GB/T13663.3 PE100PE给水管\同心大小头 热熔 dn355 ×250 PN1.6/S5 GB/T13663.3 PE100PE给水管\异径三通 热熔 dn200 ×90 PN1.6/S5 GB/T13663.3 PE100PE给水管\异径三通 热熔 dn355 ×200 PN1.6/S5 GB/T13663.3 PE100PE给水管\90°弯头 热熔 dn140 PN1.6/S5 GB/T13663.3 PE100PE给水管\异径三通 热熔 dn355 ×140 PN1.6/S5 GB/T13663.3 PE100PE给水管\同心大小头 热熔 dn140 ×90 PN1.6/S5 GB/T13663.3 PE100PE给水管\异径三通 热熔 dn250 ×140 PN1.6/S5 GB/T13663.3 PE100PE给水管\同心大小头 热熔 dn200 ×90 PN1.6/S5 GB/T13663.3 PE100PE给水管\热熔/dn250 PN16 GB/T13663.2PE给水管\热熔/dn355 PN16 S5 GB/T13663.2 SDR11PE给水管\热熔/dn140 PN1.6 S5 GB/T13663.2 PE100
2026-07-22