Yucheng city. Yuyuliang is produced in Yucheng City, Shandong Province. Yucheng rice is a high-quality rice produced in Yucheng City, Shandong Province. Because of its big and full grain, delicate rice quality and sweet taste, it is known as the "Oriental Pearl". Yuyuliang is a local traditional food with a long history and unique production technology, and it is also a traditional food in Yucheng area.