Nws yog tsuas yog tsim ntawm kev tsim ntawm corrugated yeeb nkab, Net Tes Tsho thiab sib koom tes. The inner tube is a thin walled stainless stell corrugated pipe with a spiral or annular shape, and the outer layer of the corrugaed pipe is made of stainless steel wire of steel tape. Cov joings thiab flanges ntawm ob xaus ntawm lub hose ar phim nrog cov fittings thiab flanges ntawm cov neeg siv khoom yeeb nkab.