What is "waizi"

Waizi town (歪子镇) is the northernmost town of Xinye that lies in the southwest of Henan province of central China. It has a population of 70 thousands . Its total area is 102 square kilometers. The Erlianhot- Guangzhou Expressway (二连浩特—广州 高速公路) runs through this town. There are exit and entrance of the freeway in the town.