Galvanized steel dej tankyog muaj cov pa roj carbon zoo me me ntawm Q235 B lossis Q345 chav kawm, nrog kev nyab xeeb, ruaj khov, tiv thaiv corrosion, shockproof, thiab av qeeg tiv taus.
Steel choj yog ib tug choj uas nws lub ntsiab bearing qauv yog steel, nws yog siv rau lub teb chaws tiv thaiv kev sib ntaus sib tua npaj txhij thiab tsheb thauj mus los engineering.