The registration address for the processing of mineral products in luongko county is located in the village of zhue yi, sheung jiang county, hebei province. The registration authority is li yongxion county business administration, represented by a legal person, and operates in the areas of sands, rocks, stone sands, long stones, calcium powder processing; sale of plumstone, nebula, slurry, clay, beads, and lubricated soil (the above-mentioned operations involve licensed projects, which shall be operated only with the permission of the relevant authorities). ***