The official seal of the delivery provider is an identifier of its identity and qualification, and the seal confirms that it is a regular and legitimate supplier. School-run catering companies need to sign contracts and conduct transactions with suppliers, and these transactions involve a large amount of food and materials, and need to ensure that the supplier's identity and qualifications are true and reliable.

Through the official seal of the supplier, the school catering company can verify the legitimacy and credibility of the supplier. The official seal is the legal seal of the company, which has legal effect and can be used as a valid proof of contracts and transactions.