Prices in some regions of China’s sulfuric acid market kept declining this week. As of press time, the ex‑factory price of 98% smelter‑grade sulfuric acid in Henan stood at 1080‑1400 yuan per ton; the delivered price of 98% smelter‑grade sulfuric acid in Hubei was 1350‑1600 yuan per ton, and the delivered price in Sichuan came to 1600‑1700 yuan per ton.