What evidence is needed to prove that the company owes money?

Provide written evidence such as IOUs, IOUs or loan contracts that can prove the relationship between creditor's rights and debts; If there is a guarantor, provide the name, gender, age, work unit and address of the guarantor; If there is collateral, the name, quantity, price and other supporting materials of the collateral shall be provided.

Article 64 of the Civil Procedure Law of People's Republic of China (PRC)

The parties have the responsibility to provide evidence for their claims.

The people's court shall investigate and collect evidence that the parties and their agents ad litem cannot collect on their own due to objective reasons, or evidence that the people's court considers necessary for hearing a case.

The people's court shall comprehensively and objectively examine and verify the evidence in accordance with legal procedures.