GB/T 1413-2023 "Series 1 Containers, Classification, Dimensions and Rated Mass" is a Chinese national standard that specifies the requirements for the classification, dimensions and rated mass of containers. This standard covers different types of containers, including dry cargo containers, liquid containers and gas containers, as well as their technical indicators such as External dimensions, Internal dimensions and rated mass. The standard aims to ensure the conformity and interoperability of containers in domestic and foreign transportation and trade, providing a unified technical benchmark for related industries.