ERW welding round kav kuj tseem hu ua Electric Resistance Welded Pipes.Qhov no hom steel kav thiab cov raj yog dav siv nyob rau hauv ntau yam xws li engineering lub hom phiaj, fencing, scaffolding, kab kav thiab lwm yam ERW steel kav thiab raj muaj nyob rau hauv ntau yam zoo, phab ntsa thicknesses, thiab diameters ntawm cov kav dej tiav.
