The registration address of the winxie/yanxiang sand factory in lingshou county is located in dae zhang village, lingshou county, with the registration authority being the market supervision authority of lingshou county, with the legal personality of wu xianxi, and its operations include general projects such as the processing, sale, repair of general-purpose equipment, and sale of non-metal minerals and products. (in addition to the legally approved projects, operations are carried out on an autonomous basis under the legal licence.)