kitz青铜法兰全通径球阀

进口铜球阀,kitz铜球阀

kitz青铜法兰全通径球阀,TB,kitz青铜丝扣缩径球阀,TL/TLT,

kitz黄铜丝扣缩径球阀,T/TT,TK/TKT/TKW,

kitz黄铜丝扣全通径球阀,SZA,kitz三通式黄铜丝扣缩径球阀,TN,

kitz铸铁法兰全通径球阀,10FCTB,

kitz球墨铸铁丝扣缩径球阀