Shell companies are also called short selling companies or paper companies. It is a company that has established a legal person and has a company name, but has not yet operated its business.
Acquisition refers to an economic behavior in which a company obtains a certain degree of control over other companies through property rights transactions in order to achieve certain economic goals. Acquisition is a form of enterprise capital management, which has both economic and legal significance. The economic significance of acquisition means that the management control of the enterprise changes hands, and the original investor loses the management control of the enterprise, which is essentially to gain control.