J13H-320内螺纹针型阀
J23W-160P外螺纹针型阀—热锻压型
J21W-160P外螺纹针型阀
J21W-320P外螺纹针型阀
GJ123多功能取样阀
工业用UPVC管材
CPVC消防用管道系统
CPVC冷热水用管道系统
CPVC 45°弯头
CPVC 90°弯头
CPVC SCH.80 45°弯头
CPVC SCH.80 90°弯头
CPVC SCH.80大小头
CPVC SCH.80直通
CPVC 补芯
CPVC 内丝
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