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        3. 0534-7766069

          Dezhou Guanlu Precision Machinery Manufacturing Co., Ltd. is a set design, manufacture of gun drill, three coordinate NC deep hole drilling machine, boring machine, deep hole drilling deep hole strong honing machine and other professional deep hole machine tool manufacturers, 


          Dezhou Guanlu Precision Machinery Manufacturing Co., Ltd.
          Address:Shandong province Dezhou City Economic Development Zone Industrial Park East seven shop
          Telephone:0534-7766069
          Fax:0534-7766069
          Machine tool sales department:15166987816
          Email:dzysjx@yahoo.com
          Machining knowledge of gun drill
          Machining knowledge of gun drill
          Deep hole gun drilling, also called deep hole drilling.
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