Steel qauv tsev yog tsim los ntawm welding H seem steel li kem thiab beam, ib co ntawm lawv muaj crane beam, nws yog ua los ntawm H steel beam ib yam nkaus.Galvanized C, Z seem steel li phab ntsa purlin thiab ru tsev purlin, Nws phab ntsa thiab ru tsev yog ua los ntawm hlau steel ntawv los yog sandwich vaj huam sib luag.Lub qhov rooj yog hluav taws xob shutter qhov rooj los yog lub qhov rooj qhib.Qhov rai yog pvc lossis aluminium qhov rai.Nrog rau kev siv dav ntawm cov qauv steel, nws qhov zoo yog qhov tseem ceeb dua piv nrog cov tsev ib txwm siv.