Dongguan is a prefecturelevel city in central Guangdong province People39s Republic of China. Founded 331 A.D. Coordinates 232N 11343EAn important industrial city located in the Pearl River Delta Dongguan borders the provincial capital of Guangzhou to the north Huizhou to the northeast Shenzhen to the south and the Pearl River to the west.It is also home to the world39s lar