Hebei Changxinghang Biotechnology Co., Ltd. is registered at Room 808A, Ailang International, No. 2 Xinshi South Road, Qiaoxi District, Shijiazhuang City, Hebei Province. The registration authority is Qiaoxi District Market Supervision and Administration Bureau, and the legal representative is Zhang Dongbiao. The business scope includes general projects such as research and development of biochemical product technology; Biological feed research and development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of chemical products (excluding licensed chemical products); Sales of daily chemical products; Sales of Class I medical devices; Sales of Class II medical devices; Sales of health food (pre packaged); Food sales (only selling pre packaged food); Sales of food additives; Wholesale of edible agricultural products; Retail of edible agricultural products; Wholesale of cosmetics; Retail of cosmetics; Sales of daily necessities; Sales of animal husbandry and fishery feed; Sales of feed additives; Sales of agricultural and sideline products. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: animal medicine operation. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.)