Countries around the world have different interpretations of the security industry and the emergency industry. In Western industrialized countries, the security industry mainly refers to products, technologies, equipment production, manufacturing and services related to homeland security, social security, disaster prevention and mitigation, public safety and personal protective equipment and other security. In developing countries, the safety industry refers to the technology, equipment and services needed to serve production safety, social stability, occupational health, disaster mitigation and relief and other socio-economic development ...