進(jìn)口高壓球閥Q41W-160、進(jìn)口黃銅球閥Q41T-16T、進(jìn)口鑄鐵球閥Q41F-16Z、進(jìn)口碳鋼球閥Q41H-16C、進(jìn)口鑄鋼球閥Q41H-16C、進(jìn)口鍛鋼球閥Q41H-16C、進(jìn)口不銹鋼球閥Q41H-16P、進(jìn)口鉻鉬鋼球閥Q41Y-16I、進(jìn)口絲口球閥Q11F-16、進(jìn)口法蘭球閥Q41F-16、進(jìn)口氧氣球閥QY347F-16、進(jìn)口真空球閥NKQ41H-16、進(jìn)口API磅級(jí)球閥、進(jìn)口高壓對(duì)焊球閥Q61Y-320、進(jìn)口傘齒輪球閥Q541H-25、進(jìn)口氨用球閥Q41B-16、進(jìn)口保溫球閥BQ41W-16、進(jìn)口襯氟塑料球閥Q41F-16、進(jìn)口液化氣球閥Q41N-16、進(jìn)口天然氣球閥Q41N-16、41系列浮動(dòng)球閥Q41F-16、47系列固定球閥Q47F-16、進(jìn)口金屬硬密封球閥Q41H-25、進(jìn)口長輸管線球閥Q47Y-25、進(jìn)口噴煤粉專用球閥Q47MF-16、進(jìn)口焦?fàn)t專用球閥Q41M-16、進(jìn)口防火球閥Q47H-16、進(jìn)口防靜電球閥Q41F-16、進(jìn)口三通球閥Q45F-16