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承接各種規格,材質的（液壓件、 閥門、 管接頭、管夾，螺母，膠管總成）等機械配件，石油配件！JB966-77,JB967-67,JB968-67焊接式管接頭現貨...

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GB3754.1-83,GB3754.2-83,GB3755.1-83卡套式不銹鋼管接頭現貨GB3751.1-83,GB3751.2-83,GB3752.1-8...

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