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1·Main products: After mechanical reamed anchor bolt, anchor bolt, self undercut machine reamer.

主营产品：后扩底机械锚栓、自切底机械锚栓、扩孔钻头。

2·Main products:After mechanical reamed anchor bolt, anchor bolt, self undercut machine reamer.

主营产品：后扩底机械锚栓、自切底机械锚栓、切扩一体式机械锚栓、扩孔钻头。