The production line of the automotive chassis system at the Liuzhou factory of a company in Dandong, Liaoning was put into use in May 2014,The production cycle for a single piece is 120 seconds, with a daily output of 400 sets and an annual production capacity of 130000 sets.Adopting a double headed truss robot with complex actions such as automatic recognition and error prevention,automatic rotation angle, etc., the workpiece loading and unloading time is 30 seconds.