The registration address of xu zhuang biotechnics ltd. Is located in building 143a, located on the street of zhuezhou drum building, jiangsu province, and located in building 11, building 143a; sale of food additives; wholesale distribution of food products; retail sale of food commodities; sale of agricultural by-products; sale of health-care foodstuffs (prepackaging); sale of chemical products (other than licensed chemical products); sale of feed supplements; sale of livestock and fisheries feeds; distribution of chemical products; sale of chemical cosmetics; sale of medical equipment in category i; sale of medical equipment in category i; sale of medical equipment in category ii; sale of medical equipment on an autonomous basis, subject to a legal licence)