2. Providing guarantee belongs to the act of signing a guarantee contract. In the guarantee contract or creditor's rights document, the guarantor's signature and fingerprint have the legal effect of confirming the guarantee responsibility. Both can be implemented simultaneously or separately, and their legal effect will not be affected.
law of contract
Article 32 A contract is concluded by the parties in the form of a contract, and it is established when both parties sign or seal it.
Interpretation of the Supreme Court on Contract Law II
Article 5 If the parties conclude a contract in the form of a contract, they shall sign or seal it. If the parties press their fingerprints on the contract, the people's court shall determine that it has the same legal effect as the signature or seal.