Cov khoom

I-Beam yog tsim los rau qhov project mov. Kub-kuav los tiag I-nqaj nrog tus qauv muaj zog I-section, siab dabtsi yog khoov lub zog, thiab txhim khu kev qha load peev xwm rau factories, txuas hniav, machinery puag, thiab hnyav steel qauv.