SD341X/SD343H上海沪工京蝶阀门铸钢伸缩蝶阀

D71X/F,D371X/F上海沪工京蝶阀门手动对夹式蝶阀

D41X,D43H，D341X上海京蝶良工阀门手动法兰蝶阀

D671X,D671H D641X,D671H上海京蝶良工阀门电动对夹式蝶阀

D943H，D973H上海京蝶良工阀门电动硬密封蝶阀

ZSRW上海京蝶良工阀门气动调节蝶阀

ZDRWG上海京蝶良工阀门电动调节蝶阀

D81X,D381X上海京蝶良工阀门沟槽蝶阀

D641W上海京蝶良工阀门气动通风蝶阀

D971上海京蝶良工阀门气动塑料蝶阀

D371上海京蝶良工阀门涡轮塑料蝶阀

D371上海京蝶良工阀门PVDF塑料蝶阀