Xiaze Village, Gaolou Town, Ruian City. According to Baidu map survey, the address of Happiness Valley Research Base in Ruian City is located in Xiaze Village, Gaolou Town, Ruian City. Rui' an Happiness Valley Research Base was selected as a practical education camp for primary and secondary school students in Wenzhou, and was opened to the public in 20 16, with a construction land of 189 mu.