Xinhui building, authentic Leizhou mutton. According to Baidu map query, as of February 28, 2022, there were shops such as Xinhui Building and authentic Leizhou mutton near Sangyuan Square in Dongcheng, Dongguan. Dongguan is a prefecture-level city and megacity under the jurisdiction of Guangdong Province, and a central city on the east coast of the Pearl River Delta approved by the State Council.