1. When an enterprise applies for the qualification of integration of design and construction for the first time, it shall submit the following materials: (1) an application form for the qualification of engineering design and construction and electronic documents; (2) A copy of the business license of the enterprise as a legal person; (3) the capital verification certificate of the enterprise or the audited balance sheet; (4) Articles of association; (5) The identity certificate, resume and employment documents of the legal representative of the enterprise; [6] The resume of the technical person in charge of the enterprise and his/her employment documents, graduation certificate, qualification certificate or registration certificate, professional title certificate, and the project performance certificate completed by the host; (seven) the identity certificate, qualification certificate or registration certificate, and personal performance certificate of the registered employees of the enterprise (required in the qualification standard); (8) The identity certificate, graduation certificate, professional title certificate, project manager qualification certificate and personal performance certificate of unregistered professional and technical personnel of the enterprise (required in the qualification standard); (9) professional and technical personnel (including registered and unregistered personnel) are dismissed by the original employer or the personnel relationship certificate issued by the relevant personnel management department, and the labor contract and social insurance certificate signed with the current employer; ⑽ The workplace of the enterprise and the necessary technical equipment certificate; ⑾ enterprise quality management system and management system documents such as technology, safety and archives. 2. When an enterprise applies for upgrading or adding qualifications, in addition to the above materials, it shall also provide the following materials: (1) the original and photocopy of the qualification certificate; (2) The audited financial statements of the enterprise in the last three years; (3) the project performance certificate completed by the enterprise. 3. An enterprise applying for the qualification of integration of design and construction shall truthfully fill in the application form for the qualification of engineering design and construction, and the legal representative of the enterprise shall sign the application form and be responsible for its authenticity. After the application materials are submitted, they may not be modified. The application materials shall be clear and complete. If there is incomplete information, scrawled handwriting, unclear seal and illegible handwriting, the qualification acceptance department will not accept it. 4. To apply for qualification, an enterprise shall submit an application form for engineering design and construction qualification in duplicate, with one attachment and one electronic document. Attachment materials refer to other materials except the qualification application form. A copy of the attachment materials can be used, and the original is audited by the qualification acceptance department, and the copy is stamped with the seal of the original. The original and copy of the qualification certificate must be copied, and there must be no missing pages. Copy stamped with the official seal of the enterprise, registered practitioners stamped with the personal practice seal (except unregistered personnel). Where the official seal or seal is required in the materials, the copy is invalid. Attachment materials should be A4 paper, classified and bound into volumes. 5, the enterprise's professional and technical personnel, engineering performance, technical equipment and other qualifications, are audited by an independent legal person.