The Canadian International Trade Tribunal, has conducted an expiry review continuing without amendment, concerning the dumping and subsidizing of seamless carbon or alloy steel oil and gas well casing, whether plain end, beveled, threaded or threaded and coupled, heat-treated or non-heat-treated, meeting American Petroleum Institute specification 5CT, with an outside diameter not exceeding 11.75 inches (298.5 mm), in all grades, including proprietary grades originating in or exported from the People’s Republic of China.