Beijing Aerospace Changfeng Co.Ltd(600855) : goodwill impairment test and evaluation report of holding subsidiary Aerospace Jingyi I. this asset evaluation report is prepared in accordance with the basic standards for asset evaluation issued by the Ministry of Finance and the asset evaluation practice standards and professional ethics standards issued by China Asset Evaluation Association. 2、 The asset appraisal institution and its asset appraisal professionals abide by laws, administrative regulations and asset appraisal standards, adhere to the principles of independence, objectivity and impartiality, and bear responsibility for the asset appraisal report issued according to law. 3、 The client or other users of the asset appraisal report shall use the asset appraisal report in accordance with the provisions of laws, administrative regulations and the scope of use specified in the asset appraisal report; If the client or other users of the asset appraisal report use the asset appraisal report in violation of the above provisions, the asset appraisal institution and its asset appraisers shall not be liable