精密SKD61司筒推管内径3.0*外径4.5/5.0/5.5/6.0/6.5/7.0/8.0FDAC

精密SKD61司筒推管内径3.0*外径4.5/5.0/5.5/6.0/6.5/7.0/8.0FDAC

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铭冠模具五金批发
浙江 温州