Yes, you can. If it is a minor child, the contract can only be signed by the parents, and the name of the child can be written in the property registration.
legal ground
Article 145 of the Civil Law of People's Republic of China (PRC) restricts the effectiveness of civil legal acts that are purely beneficial or that are suitable for people's age, intelligence and mental health. Other civil juristic acts shall take effect with the consent or ratification of the legal representative.
The other party may urge the legal representative to ratify it within 30 days from the date of receiving the notice. If the legal representative fails to express it, it shall be deemed as refusal to ratify it. Before a civil juristic act is ratified, the bona fide counterpart has the right to revoke it. Revocation shall be made by notice.