xinzhong east street, gu' an county, Langfang city. According to the Baidu map, the largest clothing wholesale market in Gu 'an is in Xinzhong East Street, Gu 'an County, Langfang City, and its name is Jingnan Trade City (Xinzhong Street). Gu 'an County is under the jurisdiction of Langfang City, Hebei Province. Located in the northern part of North China Plain, in the hinterland of Beijing-Tianjin-Baoding Triangle, it is 116 17' east longitude and 39 19' north latitude. It is adjacent to Yongqing County in the east and Zhuozhou City and Gaobeidian City in Baoding in the west.