How China's Sulphuric Acid Ban Will Hit Metals & Fertiliser

China’s sulphuric acid export ban and Iran war risks are squeezing metals, fertiliser and food supply chains worldwide, testing procurement and logistics China’s ban on sulphuric acid exports from May is set to cascade through global supply chains, tightening the screws on metals producers and fertiliser makers already hit by the Iran war and the closure of the Strait of Hormuz. The decision turns a once-background industrial chemical into a strategic pinch point for mining, agriculture and food security. The ban covers sulphuric acid produced as a by-product of copper and zinc smelting in China, the world’s largest exporter of...