The invitation tender is a kind of trading method in which the tenderer does not go through the general transaction consultation procedure before buying and selling bulk commodities, contracting construction projects or cooperating in a certain business, but invites the applicant to submit an offer to compete publicly, and finally the tenderer chooses the object of the transaction to make a contract.
 Zhang plans to sell the suburban villa, stating that it can be negotiated on the basis of no less than 2 million yuan is the invitation tender.