Daim ntawv thov teb: Siv dav hauv kev tsim khoom, kev tsim kho kev lag luam, kev lag luam metallurgical, tsheb ua liaj ua teb, tsev cog khoom ua liaj ua teb, kev lag luam tsheb, kev tsheb ciav hlau, kev loj guardrails, thawv thav ntawv, rooj tog zaum, kho kom zoo nkauj, thiab steel qauv teb.
Siv rau hauv engineering siv, iav ntaub thaiv phab ntsa, qhov rooj thiab qhov rais decorations, steel qauv, guardrails, machinery manufacturing, tsheb tsim, khoom siv hauv tsev, shipbuilding, thawv manufacturing, hluav taws xob, kev ua liaj ua teb, ua liaj ua teb tsev cog khoom, tsheb kauj vab racks, maus taus racks, txee, Cov khoom siv dag zog, kev lom zem thiab kev ncig xyuas, cov rooj tog steel, ntau yam tshwj xeeb ntawm cov roj av casing, cov kav dej thiab cov kav dej, dej, roj, dej phwj tuaj, huab cua, cua sov thiab lwm yam kev thauj mus los, kev tiv thaiv hluav taws thiab kev txhawb nqa kev lag luam, thiab lwm yam.