Nws yog dav siv nyob rau hauv petrochemical, hluav taws xob fais fab, dej kais dej, dej phwj kho mob, chaw nres nkoj thiab wharf, tsev kho kom zoo nkauj, shipbuilding, self-propelled chaw nres tsheb, municipal engineering, sanitation engineering thiab lwm yam teb. Platforms, taug kev, trestle choj, trench npog, manhole npog, ntaiv, laj kab, factories Kev tsim kho thiab lwm yam.
Steel grating yog siv los hloov steel grating. Guardrail tseem hu ua laj kab laj kab lossis laj kab sib cais, yog li" steel grating hloov" tseem hu ua steel grating. Vim tias nws qhov ruaj khov muaj zog dua li cov laj kab laj kab, steel gratings feem ntau yog siv los ua cov phiaj xwm tshwj xeeb, thiab lawv feem ntau tsis tshua siv! Tus nqi kuj yog 2 npaug siab dua li cov guardrails
