Legal basis: People's Republic of China (PRC) Company Law.
Article 22 The articles of association of a limited liability company shall specify 1 1 and require all shareholders to sign and seal the articles of association.
Article 30 After the establishment of a limited liability company, it shall issue a capital contribution certificate to the shareholders, which shall contain five contents and require the company to seal the capital contribution certificate.
Article 132 When a stock is issued, four main items shall be recorded, which shall be signed by the chairman and sealed by the company.
Article 167 When issuing corporate bonds, a company must specify relevant matters on the bonds, which shall be signed by the chairman of the board and sealed by the company.