中国就加拿大钢铁进口限制向WTO起诉，“中加贸易争端再升级”

Group 1 - Canada has implemented steel tariff quota measures and imposed discriminatory tariffs on products containing "Chinese steel components," leading China to file a lawsuit at the WTO on August 15 [1][5] - The trade dispute between China and Canada has escalated, with China recently announcing temporary anti-dumping measures on Canadian canola seeds [1][5] - The Canadian government has been facing challenges in its trade relations with China since the previous Trudeau administration imposed tariffs on Chinese electric vehicles and steel products [1][3] Group 2 - Canada has expanded its steel tariff quota and tightened existing quotas, imposing additional taxes on imports exceeding the quota, particularly targeting products containing Chinese steel [3][5] - In 2024, the bilateral trade volume between China and Canada is projected to be approximately CAD 120 billion, with significant steel import and export figures [3] - The Chinese Ministry of Commerce has criticized Canada's actions as unilateralism and trade protectionism, which disrupts the stability of global steel supply chains [5]