The necessary procedures for a company to go public are as follows: first, share restructuring (2-3 months): sponsors, divestiture and reorganization, three-year performance, capital verification and registration, and asset evaluation. Second, listing guidance (12 months): three-party system, business structure, four-phase report, teaching guidance and guidance acceptance. Third, the production of issuance materials (1-3 months): prospectus, brokerage recommendation report, securities issuance recommendation, securities listing recommendation, project feasibility study report, pricing analysis report, audit report and legal opinion. Fourth, the brokerage core (1-2 weeks): on-site investigation, problems and rectification, core checklist, and core opinions. Fifth, recommendation by the sponsor (1-3 months): pre-trial communication, feedback and rectification, meeting arrangement and issuance of approval. Sixth, the trial meeting (1-2 weeks): communication, material review, discussion and voting at the meeting. Seventh, preparation for issuance (1-4 weeks): pre-roadshow, valuation analysis report and promotion material planning. Eighth, issuance implementation (1-4 weeks): publication of prospectus, roadshow promotion, inquiry and pricing, and stock sale. Ninth, listing and circulation (1-3 weeks): transfer funds for capital verification, change registration, listing recommendation and listing on the first day. Tenth, continuous supervision (2-3 years): regular contact, information disclosure and follow-up service. Legal Basis: Securities Law of the People's Republic of China Article 47 After an application for stock listing is approved by the stock exchange, the listed company shall announce the approved documents for stock listing five days before the listing, and place the documents in a designated place for public inspection. Article 48 of the Securities Law of the People's Republic of China In addition to the listing application documents specified in the preceding article, a listed company shall also announce the following matters: (1) the date when the shares are allowed to trade on the stock exchange; (two) the list of the top ten shareholders who hold the most shares of the company and the amount held; (3) The names of directors, supervisors, managers and relevant senior management personnel and their holdings of the company's stocks and bonds.