Lub teeb Exhibition Hall Steel Kev tsim kho txais lub teeb steel qauv system. Nws nta lub teeb rau tus kheej qhov hnyav, ntau yam qauv tsim thiab qhov loj-kem-dawb qhov chaw, uas ua tau raws li qhov yuav tsum tau muaj ntawm cov chaw ua yeeb yam rau qhib kev pom, hloov pauv tau yooj yim thiab kev teeb tsa sai. EIHE Steel Structure (EHSS) yog cov chaw tsim khoom steel qauv. Exhibition halls yog ib feem tseem ceeb ntawm peb cov lag luam tseem ceeb hauv tsev.