Lanling County, Linyi City. Linyi, known as Langya and Yizhou in ancient times, is a prefecture-level city under the jurisdiction of Shandong Province, and the central city in southeastern Shandong was confirmed by the State Council. According to the query map, Lanling County, Linyi City has a corn puffing machine, which is a sales company for processing puffed food equipment. It has a history of more than 3000 years since the Western Zhou Dynasty.