Cov pa roj carbon steel coil los ntawm kev ua tiav qhov kawg kub steel sawb zeb tawm los ntawm laminar ntws txias mus rau qhov kub thiab txias, uas muaj cov winder coil, steel coil tom qab txias, raws li qhov sib txawv ntawm cov neeg siv khoom, nrog cov kab sib txawv (paj, ncaj, transverse los yog longitudinal txiav, tshuaj xyuas, hnyav, ntim thiab logo, thiab lwm yam) thiab ua steel phaj, tiaj yob thiab longitudinal txiav steel sawb khoom.