idely used in mining, docks, metallurgy, coal, chemical and other industries Our factory currently covers an area of 6,000 square metersidely used in mining, docks, metallurgy, coal, chemical and other industries Our factory currently covers an area of 6,000 square metersidely used in mining, docks, metallurgy, coal, chemical and other industries Our factory currently covers an area of 6,000 square metersidely used in mining, docks, metallurgy, coal, chemical and other industries Our factory currently covers an area of 6,000 square metersidely used in mining, docks, metallurgy, coal, chemical and other industries Our factory currently covers an area of 6,000 square metersidely used in mining, docks, metallurgy, coal, chemical and other industries Our factory currently covers an area of 6,000 square meters