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HGK-E  series  cold  cutting  machine  is  mainly  applicable  to pipeline cutting or groove processing during construction and maintenance  in  petrochemical  industry.It  is  convenient  for construction   and   requires    less   additional   equipment.The cutting machine can process various forms of grooves such as V-type,U-type,]-type  and  composite  type,and  can  repair  the inner and outer walls of pipelines.