First, it has strengthened security technology transformation and utilized new technologies and materials to expand the scale of the security industry and promote its development. At present, China has begun to apply new technologies, such as intelligent security and face recognition, to the security industry to meet the growing demand for security.

Secondly, the government has increased funding to provide policy support for the development of the security industry. In recent years, the government has taken a series of measures to increase support for the security industry, including government procurement, subsidies, and financial support.

In addition, the government also encourages security companies to increase technological innovation and improve the social environment to promote the development of the industry. By implementing a series of policy measures, the government supports enterprises to accelerate technological transformation and promote the development of the industry.

Finally, the government strengthens regulation to ensure the reliability and effectiveness of security technology and the long-term development of the security industry. Through legislation, policy and administrative means, the government establishes a sound regulatory mechanism for the security industry to ensure the sustainable development of the security industry.

In short, in the past three years, China has carried out a number of policy actions in the development of the security industry to promote the development of the industry.