Kev koom ua ke ntawm niaj hnub lub teeb steel qauv vaj tsev yog ib tug hluas thiab muaj qhov tseem ceeb ntawm cov qauv steel vaj tsev nyob, tau dav siv nyob rau hauv xws li cov tsev ua haujlwm, villas, warehouses, sports stadiums, lom zem, tourism, kev tsim kho thiab qis, multilayer vaj tse, thiab lwm yam...
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