Feiyu Technology International Co. is an investment holding company, which engages in the operation and development of web, computer, and mobile games. Its products include Shen Xian Dao, Mushroom Wars 2, Dougui, and Carrot Fantasy 4. The company was founded by Jian Jun Yao, Lin Bi, Jia Bin Lin, and Zhi Bin Lin on March 6, 2014 and is headquartered in Xiamen, China.