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Quality Standard
Quality Standard

As a reputed manufacturer, we, Dezhou Guanlu Precision Machinery Co., Ltd, are manufacturing our offered range of gun drilling machine, deep hole drilling machine, deep hole skiving roller, burnishing machine, deep hole drilling and boring machine and tooling.

We have passed ISO9000 certificate, so we have the qualified parts suppliers and every machining procedure, we have strictly and written requirements for our workers,if the machining parts and assembly procedure has more tolerance than requirements,we will give them penalty and will do the job again. For every parts,every step of assembling, we have special equipment to measure.  And we have special person who is in charge of the inspection of parts,precision and final assembly jobs.

Our
machining bed is aging for years and it is quenched and heat treatment,the guide ways,we use rectangular guide-way or linear guide-way according to models.

  • Machine bed Hardness Testing
  • Machine assembling precision Testing
  • Machine parts inspection
  • Machine running with jobs 72hours for testing


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DEZHOU GUANLU PRECISION MACHINERY CO., LTD. All Rights Reserved.