SHANGHAI, Jun. 1 (SMM) - Huludao Zinc Industry Co. plans to expand refined zinc capacity by 200,000-tpy, SMM understands.

It provisionally decides to use 186 square meter roasting furnace and hydrometallurgy furnace and oxygen-rich side-blown process zinc leaching slag method.

The build-up project has yet to commence. Of the 390,000-tpy existing capacity, the 190,000-tpy capacity which uses ISP maintains high capacity utilization rate. But the remainder 200,000-tpy Vertical retorting line has a low capacity utilization rate, which may be eliminated. 

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