J945YJ945Y型法兰连接钢制截止阀PN16～PN160
面议
J945YJ945Y型法兰连接钢制截止阀PN16～PN160
面议
J941YJ941Y型电动法兰截止阀PN16～PN160
面议
J940HJ940H型法兰电动截止阀PN160～PN160
面议
J541WJ541W型伞齿轮法兰截止阀PN16～PN25
面议
J41H、J41Y、J41W手动法兰国标截止阀PN25
面议
J41WJ41W型不锈钢法兰截止阀PN16～PN25
面议
J641HJ641H型气动高温法兰截止阀PN16～PN40
面议
J41F-16J41F-16型手动钢制法兰截止阀
面议
J41H、J41Y、J41W高压法兰截止阀PN40～PN160
面议
J941HJ941H型电动法兰截止阀PN16～PN160
面议
FJ41FJ41型PN16～PN160节流截止放空阀
面议
J41HJ41H型手动钢制法兰截止阀PN16～PN160
面议