Rou Yuan Li Century-Old Store. Located in Caotun, "Rou Yuan Li" has a history of a century. The skin of their signature rou yuan is made from ground rice, making it very soft, chewy, and smooth. The filling is carefully selected and has an excellent flavor. Located in Caotun, "Rou Yuan Li" has a history of a century. The skin of their signature rou yuan is made from ground rice, making it very soft, chewy, and smooth. The filling is carefully selected and has an excellent flavor. The store also offers many other items, such as soups, zongzi, liang yuan, and wagu, for you to choose from. Address: 南投縣草屯鎮中正路893-1號 Hours: 00:00–23:59 Nantou