Higer Bus has built interior inspection track and automatic inspection line standardized by Ministry of Public Security of China. We strictly meet the TS16949 and the state compulsory 3C by overall quality management of purchase, production and the completion of the buses and coaches. In the workshops, we carry out quality inspection in an all round way, combining the spot check and self-inspection. We have set up the security management committee and built the complete bus and coach inspection system in order to ensure the technical stability and security.