A legal person refers to an organization that is endowed with independent legal person status according to law, can have property rights and capacity, and independently enjoy the rights and responsibilities corresponding to its legal person status. Legal persons include enterprise legal persons and non-enterprise legal persons such as companies, cooperatives and institutions. An industrial activity unit refers to an organization engaged in industrial activities such as production, operation or service. It is the basic organizational unit in the economic and social fields, which can be enterprises, factories, shops, restaurants, hospitals, schools and other different forms of organizations. Industrial activity units meet market demand, participate in economic exchange and create value by providing products or services.