How the international zinc price influence zinc sulfate price indirectly?

When talking about the price of zinc sulfate, most people will say that "zinc sulfate price is not stable, and it affects by many factors such as the international zinc price, the labour cost, currency rate and so on. And among these factors how the international zinc price influence zinc sulfate?

As we all know, the raw materials of zinc sulfate are Zn contented materials such as zinc blende, lead zinc ore, secondary zinc oxide and so on. If the price of international zinc keeps increasing, the price raw materials of zinc sulfate will be also increased. For zinc sulfate manufacturers, the cost of raw materials rising will definitely increasing zinc sulfate price. And vise versa.

Therefore, we can pay more attention on the international zinc price to forecast the price tendency of zinc sulfate.