The registered address of Qianhao Mineral Products Processing Factory in Lingshou County, Shijiazhuang City, Hebei Province is Zhongwuhe Village. The registration authority is Lingshou County Administration for Industry and Commerce, and the legal representative is He Yanfen. The business scope includes the processing and sales of quartz sand, calcium powder, calcium hydroxide, barite, fluorite, limestone, refractory soil, clay, bentonite, kaolin, talcum powder, zeolite powder, hematite powder, pyrophyllite, glass powder, fly ash, and floating beads (projects that require approval by law can only be carried out after approval by relevant departments). ***