Legal basis: Article 5 of the Provisions on Safety Protection of Railway Transport Units Engaged in Railway Construction, Transportation and Equipment Manufacturing and Maintenance should strengthen safety management, establish and improve the safety production management system, implement the main responsibility of enterprise safety production, set up safety management institutions or equip safety management personnel, implement national standards and industry standards, ensure production safety and product quality and safety, strengthen safety education and training of employees, and ensure the necessary capital investment for safety production.