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An exhibitor showcases a large scale steel house frame structure at the BUILDEX trade show in Vancouver, Canada, Feb. 15, 2018. Over 600 exhibitors showcased their products during the BUILDEX. (Xinhua/Liang Sen)
An exhibitor showcases a large scale steel house frame structure at the BUILDEX trade show in Vancouver, Canada, Feb. 15, 2018. Over 600 exhibitors showcased their products during the BUILDEX. (Xinhua/Liang Sen)