China’s share of global steel production has skyrocketed over the years to 51.7% in April. The chart below shows China’s market share (red line) that reached 50% for the first time in 2013 and has about stayed there since (2017 = 49.2%). This is juxtaposed to North America’s market share – so the share of the US, Canada, and Mexico combined – which fell from nearly 17% in 1996 to just 6.9% in 2017:
https://wolfstreet.com/2018/06/01/who-dominates-the-steel-trade-that-trump-just-hit-with-tariffs/