Z941电动闸阀Z941H-64C-DN200
铸钢法兰截止阀J41H-16..
J41截止阀J41H-16C..
直通式法兰截止阀J41H-1..
镶铜圆闸门SYZ
铸铁镶铜方闸门SFZ
铸铁镶铜圆闸门SYZ