Is the elevator advertising contract signed by the industry Committee valid?

According to relevant information, the elevator advertising contract signed by the industry Committee is invalid. According to the property management regulations, without the consent of the owners' meeting, the property service contract signed by the industry Committee is invalid, because the owners' Committee is not an economic entity or a legal entity and has no right to sign economic contracts. Industry Committee and property management are two important parts of property management, and the relationship between them is complementary and complementary.