碳钢法兰截止阀J41H-25C铸钢法兰截止阀

碳钢法兰截止阀J41H-16C铸钢法兰截止阀

J41F-10S法兰截止阀J41F-10S 塑料法兰截止阀RPP,UPVC,CPVC,PVDF

J41F-10F塑料截止阀J41F-10F PVDF塑料截止阀

美式不锈钢丝口截止阀J11W美式丝口截止阀

不锈钢丝口截止阀J11W不锈钢丝口截止阀

J11F塑料螺纹截止阀J11F-10S塑料螺纹截止阀RPP.PVC.PVDF,CPVC