JR-2 type Rectangle Metalic Hoses

A).Any construction on the rectangle metalic hoses:
  The rectangle metalic hosed has a totally metalic construction. B).Application of metalic hoses:
  The pipe  is according to the standard JB/GQ58285 and suitable for all types of metal cutting machine tools and slicing machines protect working personnel,electric circuits ,water supplying piping systems and gas loops from damaging or injured .