What are Yizheng labor service companies?

Jiangsu Youheng Labor Service Co., Ltd., Yizheng Jinhong Labor Service Co., Ltd. and Yizheng Shunlan Labor Service Co., Ltd. According to Baidu map, Yizheng Labor Service Co., Ltd. is located in Gongnong North Road, Zhou Zhen Town, Yizheng City, Yizheng Jinhong Labor Service Co., Ltd. is located in Fang Ying Village, Maji Town, Yizheng City, and Yizheng Shunlan Labor Service Co., Ltd. is located in Lizhuang Group, Jinying Village, Maji Town, Yizheng City.