Can the official seal of the company be stamped? Is the guarantee invalid?

Legal analysis: Yes, if the official seal is engraved with the words "guarantee is invalid", then the guarantee contract should be stamped with another official seal. The official seal is engraved with the words "guarantee is invalid". If the guarantee contract is stamped with this official seal, the guarantee contract should be invalid.

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 of the Company Law stipulates that when issuing shares, four main items shall be specified, and the shares 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.