Lub zog, ntau yam, thiab pheej yig ntawm steel bar ua rau nws yog ib qho ntawm cov khoom siv dav siv ntau tshaj plaws hauv ntiaj teb.Cov Khoom Siv Hlau muaj ob qho tib si kub dov steel bar thiab txias dov steel bar, nyob rau hauv ntau yam profiles thiab diameters;kev pabcuam txiav-rau-ntev yog muaj los muab koj lub zoo meej steel bar rau koj daim ntawv thov tshwj xeeb.