The Canada Border Services Agency has started an investigation into gypsum board products being imported from the US. The probe has been initiated by a complaint by CertainTeed Gypsum Canada about the products being imported into British Columbia, Alberta, Saskatchewan and Manitoba, as well as the Yukon and Northwest Territories, according to the Canadian Press newspaper. It is the second complaint that CertainTeed Gypsum Canada has made in recent years, following a similar allegation in 2016.
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