1. A summary of the materials that a legal person needs to submit when applying for notarization of purchase preservation is as follows:

1. A copy of the company’s business license (non-local companies need to provide a notarized copy of the business license);

2. If the legal representative cannot apply in person, a notarized power of attorney must be provided;

3. Patent certificate (if the notarized certificate cannot be found on the relevant official website, A notarial certificate of the patent is required);

4. The trustee’s ID card, the trustee must come in person;

5. Other materials required by the Harbin Notary Office.

2. I hope it’s helpful to you, and you can ask more.