Win Road International muab cov kub dov steel phaj yog cov pa roj carbon tsawg, steel qib Q235, Q345, S235, S355, SS400 thiab qib sib npaug steel.Kub-dov hlau phaj muaj cov khoom zoo heev ntawm lub zog siab, zoo toughness, yooj yim ua thiab sib sau thiab zoo weldability, yog li lawv tau dav siv nyob rau hauv manufacturing industries xws li kev tsim kho, machinery, steel qauv.