Huludao zinc refinery plant is a serious pollution non-ferrous metallurgical enterprise, The main pollutant including SO 2, heavy metal and Dust.
葫芦岛锌厂是一家重污染有色冶金企业，它的主要污染物是二氧化硫、重金属及烟(粉)尘。
Huludao zinc refinery plant is a serious pollution non-ferrous metallurgical enterprise, The main pollutant including SO 2, heavy metal and Dust.
葫芦岛锌厂是一家重污染有色冶金企业，它的主要污染物是二氧化硫、重金属及烟(粉)尘。
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