China said on Friday it will "resolutely counter" pressure from the United States on the fentanyl issue and presented itself as a stable global power amid geopolitical turmoil, in an appeal to Global South countries. Washington levied an additional 10% tariffs on Chinese imports this week over the continued flow of the deadly opioid fentanyl into the country, threatening to worsen an escalatory spiral of trade actions against China and other countries including Canada and Mexico.