Qing quarter of the year, Jia Yu Yang Dongshan area ceramic rapid development of coal production is booming, multi-city residents dependent on the coal produced in the Dongshan Coal here.

• 清之季年，东山杨家峪一带窑业发展迅速，煤炭生产兴隆，城中居民用煤多依赖于这里出产的东山煤。