ERW vuam cov kav dej puag ncig kuj hu ua Electric Resistance Welded Pipes. Cov kav dej hlau thiab cov raj no siv dav hauv ntau qhov chaw xws li kev tsim kho vaj tse, kev laj kab, scaffolding, kab yeeb nkab thiab lwm yam. ERW cov kav dej hlau thiab cov raj muaj nyob rau hauv ntau yam zoo, phab ntsa thicknesses, thiab diameters ntawm cov kav dej tiav.
