China is the largest producer of zinc which is used to galvanize steel. The shortage of concentrate causes a fall in fees paid by miners to smelters.
50% of the zinc is used is used to galvanize steel, so if steel prices fall, zinc will fall. zinc's usage has been growing at around 3% annually for
the past two decades. Nearly 50% of the amount is used for galvanizing steel to protect it from corrosion.