Chungrui Worldunion Assets Appraisal Group Co., Ltd. establishes the complete internal management system. In 2004, it was the first accounting firm for passing ISO9001 qualification management system in Chinese accounting industry and has been keeping this qualification until now. Through the establishment of this system, Chungrui Worldunion Assets Appraisal Group Co., Ltd. has formed a systematic qualification management model and it provides a strong protecting system to guard against qualification risks.