Longgang District. About 50% of cross-border e-commerce sellers in Shenzhen are concentrated in Shenzhen. China South City, located in Pinghu Street, Bantian, Longgang District, Shenzhen, is the gathering area for cross-border e-commerce in Shenzhen. Longgang District is located in the northeast of Shenzhen City, adjacent to Pingshan District in the east, Luohu District and Yantian District in the south, Longhua District in the west, and Huizhou City and Dongguan City in the north. The total area under its jurisdiction is 388.21 square kilometers.