电动硬密封蝶阀D943H-25C 2.5MPA
电动双法兰闸阀Z941H-25P
电动不锈钢闸阀Z941W-16P
电动对夹式蝶阀D971X-1..
电动半衬氟蝶阀D971F-1..
电动硬密封蝶阀D943H-2..
电动铸钢蝶阀D943H-16C