This document specifies the basic requirements, design, materials, manufacturing, test methods, inspection rules, markings and factory documents for tank containers for powder and granular materials that can be loaded and unloaded by gravity or pressure (hereinafter referred to as tank containers). This document applies to various types of tank containers for powder and granular materials specified in GB/T1413 and GB/T35201. Such tank containers are suitable for road, railway and water transportation as well as intermodal transport between these modes of transportation. Other types of powder materials Granular material tank containers can be implemented as a reference.