No.53 Gaocheng Street, Laishui County, Baoding City. According to Baidu map, the address of Wan Wen Walnut Trading Market in Laishui is near No.53 Luocheng Street, Laishui County, Baoding City. Laishui County, belonging to Baoding City, Hebei Province, is located in the west of central Hebei Province, at the northern end of the eastern foot of Taihang Mountain, with Juma River alluvial plain in the southeast and Taihang Mountain in the northeast. The terrain inclines from northwest to southeast, and it is known as the "first line" in Laishui County.