Daqianrock--the best partner in the self-drilling anchor systems!
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No.87, Shachong South Road, Nanming District,Guiyang city,Guizhou,China.
Daqianrock--the best partner in the self-drilling anchor systems!
No.87, Shachong South Road, Nanming District,Guiyang city,Guizhou,China.
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Daqianrock Self Drilling Anchor Bit Adapters As we all know, it will affect drilling performance while too big diameter drill bits connected with smaller sizes anchor bar, so, there need to use a bits adapter to connect between big diameter bits and smaller size anchor...
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