This document provides information about advertising in elevator spaces in China. It details the standard size of posters used, notes that the enclosed indoor space of elevators provides a controlled environment for repeated messaging. Statistics show that elevator advertising reaches over 200 million people across 61 cities in China and has a very low cost per person exposed compared to other advertising mediums such as magazines, newspapers, television and outdoor billboards. The document lists many major cities in China that elevator advertising covers and examples of current companies utilizing this advertising approach.