Is it legal for property companies to adopt agreement bidding?

The bidding method of the property company is legal by agreement. According to the inquiry of bidding methods, it is known that the bidding methods of property companies are regulated and supervised by relevant laws and regulations. It is legal to use agreement bidding in the property industry. Bidding refers to the process of bidding by the entrusting party (such as government agencies, enterprises, organizations, etc.). Invite suppliers or contractors who have the ability and willingness to participate in a specific project or business to submit written suggestions and quotations by issuing announcements or documents.