Where is the sales market of Zhengzhou air curtain machine?

Bai Rong World Trade Mall, Jingguang Road, South Fourth Ring Road, Zhengzhou City. According to Baidu map, Zhengzhou Air Curtain Machine Sales Market is located in Bai Rong World Trade Mall, Jingguang Road, South Fourth Ring Road, Zhengzhou. Air curtain machine is an air purification equipment which is driven by a high-speed motor to generate strong airflow and form an "invisible door curtain".