The registered address of Yongqi Mineral Products Co., Ltd. in Lingshou County is Shanmenkou Village, Beitanzhuang Township, Lingshou County, Shijiazhuang City, Hebei Province. The registration authority is Lingshou County Administration for Industry and Commerce, and the legal representative is Fu Liping. The business scope includes the processing and sales of mica, vermiculite, colored sand, quartz sand, bentonite, kaolin, volcanic rock, and diatomaceous earth; Sales of calcium powder, pebbles, barite, fluorite, vermiculite, sand, stones, glass beads, activated carbon, fireproof coatings, waterproof materials, floating beads, sepiolite, charcoal, graphite, tourmaline, perlite, iron concentrate powder, talc powder, salt lamps, salt stones, ceramic particles, clay, mineral fibers, and wood fibers. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)