People's Education Edition According to the official information of Yinchuan No.17 Middle School, as of July 7, 19023, the school adopted the teaching materials of People's Education Publishing House. Yinchuan, referred to as "Silver" for short, was called "Xingqing House" in ancient times, also known as "Phoenix City", which is the prefecture-level city and capital of Ningxia Hui Autonomous Region.