According to the query of the enterprise, East China Heavy Machinery is a private enterprise. This is because East China Heavy Machinery is mainly held by natural persons and families, and managed and operated by these shareholders. State-owned enterprises are enterprises owned and controlled by the state and the government.
Although East China Heavy Machinery is supervised and supported by the state in some aspects, its ownership and management rights do not belong to the state and government, so it does not belong to state-owned enterprises.