At present, copper, lead, zinc, nickel and other concentrate products all contain sulfur, and there was no pricing before.

Since 2007, the domestic sulfuric acid price has increased by 300%. Especially since 2008, the domestic price of sulfuric acid has increased by 30-40%, and the quoted price is between 1400- 1800 yuan/ton. In the concentrates imported from domestic smelters, sulfur is not priced for the time being, and domestic copper concentrates are priced only when the sulfur content is high, so the production cost of sulfuric acid in smelters is relatively low (usually between 200-300 yuan/ton).

At present, the domestic sulfuric acid price reaches 1400- 1800 yuan/ton. Domestic smelters, gross profit of sulfuric acid 100%.