中方在WTO起诉加拿大钢铁等产品进口限制措施，商务部回应

Core Viewpoint - China has filed a lawsuit against Canada in the WTO regarding import restrictions on steel and other products, claiming that Canada's actions violate WTO rules and disrupt global supply chains [3][5]. Group 1: WTO Lawsuit Against Canada - On August 15, China initiated a lawsuit in the WTO against Canada's import restrictions on steel products [3]. - The Chinese Ministry of Commerce criticized Canada's unilateral and protectionist measures, which include discriminatory tariffs on products containing "Chinese steel components" [3][5]. - China urges Canada to correct its actions to maintain a rules-based multilateral trading system and improve Sino-Canadian economic relations [3][5]. Group 2: Canada's Steel Tariffs - On July 16, Canada announced expanded import steel tariff quotas and additional taxes on imports exceeding these quotas, effective August 1 [5]. - The Canadian government imposed a 25% additional tax on products containing Chinese steel components imported from countries other than the U.S. [5]. - The Chinese Ministry of Commerce stated that Canada's measures are an attempt to shift the blame for its domestic steel industry issues onto other trade partners, including China [5]. Group 3: Anti-Dumping Investigations - The Chinese Ministry of Commerce has also initiated anti-dumping investigations into Canadian imports of canola seeds and halogenated butyl rubber [7]. - Preliminary evidence indicates that these products are being dumped, causing substantial harm to the domestic industry [7][8]. - The preliminary ruling on August 12 determined a dumping margin of 75.8% for canola seeds and between 26.2% to 40.5% for halogenated butyl rubber from Canadian companies [7][8].