進(jìn)口球閥-上海樹(shù)典閥門(mén)Q41F-16，進(jìn)口球閥，電動(dòng)球閥Q941-16C，高壓電動(dòng)球閥Q941H-160，氣動(dòng)球閥Q641H-16C，氣動(dòng)高壓球閥Q641N-320，日標(biāo)球閥Q41H-10K，德標(biāo)球閥Q41F-16，美標(biāo)球閥Q41H-150Lb，日標(biāo)不銹鋼球閥20K，德標(biāo)不銹鋼球閥Q41H-16P，美標(biāo)不銹鋼球閥Q41F-16P，高溫球閥Q41H-16P，高壓球閥Q41W-160，黃銅球閥Q41T-16T，鑄鐵球閥Q41F-16Z，碳鋼球閥Q41H-16C，鑄鋼球閥Q41H-16C，鍛鋼球閥Q41H-16C，不銹鋼球閥Q41H-16P，鉻鉬鋼球閥Q41Y-16I，絲口球閥Q11F-16，法蘭球閥Q41F-16，氧氣球閥QY347F-16，真空球閥NKQ41H-16，API磅級(jí)球閥，高壓對(duì)焊球閥Q61Y-320，傘齒輪球閥Q541H-25，氨用球閥Q41B-16，保溫球閥BQ41W-16，襯氟塑料球閥Q41F-16，液化氣球閥Q41N-16，天然氣球閥Q41N-16，41系列浮動(dòng)球閥Q41F-16，47系列固定球閥Q47F-16，金屬硬密封球閥Q41H-25，長(zhǎng)輸管線(xiàn)球閥Q47Y-25，噴煤粉專(zhuān)用球閥Q47MF-16，陶瓷球閥Q41SC-1C，氣動(dòng)陶瓷球閥Q641SC-1C，電動(dòng)陶瓷球閥Q641SC-1C，焦?fàn)t專(zhuān)用球閥Q41M-16，防火球閥Q47H-16，防靜電球閥Q41F-16，三通球閥Q45F-16，三通Y型球閥Q42H-16，四通球閥Q46H-16，蝸輪傳動(dòng)球閥Q341W-16，軌道球閥QGD47Y-25，抗硫球閥KQ347F-16，低溫球閥DQ347-16，氣動(dòng)卸灰球閥Q647AFY-16，V型切斷球閥QTV41H-16，薄型球閥Q41F-16，對(duì)夾式球閥Q71F-25，放料球閥Q3c1F-16，槽車(chē)球閥，廣式球閥Q41F-16，偏心半球閥Q340F-25，