The registration address of the yihui metals factory is located in the village of yiu town, yiu county, hebei province. The registration authority is the municipal market supervision authority, represented by a legal person, chen yi fai, and operates on the basis of the processing and sale of stainless steel products; building materials and the sale of sanitation equipment** (the above-mentioned operations, involving licensed projects, shall be operated only with the permission of the relevant authorities)