Who is responsible for the change of project performance by the person in charge of Ningbo midway project?

The original project leader. The person in charge of Ningbo Halfway Project changed the project performance to the original person in charge. When filing, it must be filed according to the person in charge of the project who signed the contract. Then the performance must still belong to the original author. The contractor's illegal subcontracting, illegal subcontracting of construction projects or unqualified actual builders' signing construction contracts with others in the name of qualified construction enterprises is invalid.