Kangyin Road. According to Baidu Map query, Qin'an County Wangyin Amusement Park refers to Wangyin Town Happy Castle Theme Park. It is a children's amusement park located on Kangyin Road, Wangyin Town, Qin'an County, Tianshui City, Gansu Province. An amusement park is a comprehensive entertainment venue, mostly built near densely populated metropolises. The tourism type is classified as a theme park, that is, an amusement-themed park.