Linyi has a Chinese knot with velvet outside. Chinese knot is a traditional handicraft industry in Honghua Town, Tancheng County, Linyi City, Shandong Province. There are more than 600 kinds of Chinese knots produced in this town. Products are exported to domestic and foreign markets, so they are sent to overseas markets. Linyi, formerly known as Langya and Yizhou, is a prefecture-level city under the jurisdiction of Shandong Province, a central city in southeastern Shandong, a modern industrial and trade city with waterfront characteristics approved by the State Council, and an important commodity grain base in Shandong Province. By 2020, there will be three districts and nine counties in the city, with a total area of 17 19 1.2 square kilometers. According to the data of the seventh census, the resident population of Linyi is 1 10 18365. In 20021year, Linyi achieved a regional GDP of 546.55 billion yuan.