目前已明确PPM的零部件评价范围及计算方法，并形成了持续的跟踪评价数据

It has a clear scope of the evaluation and calculation methods parts of PPM, and formed a continuous evaluation of trace data. The latter will be based on level 0 kilometers supplier quality performance, identify risks and spare parts suppliers, targeted quality improvement and upgrading.

At present, the scope and calculation method of PPM parts evaluation are clearly defined, and continuous tracking evaluation data are formed. The latter will identify the risk parts and suppliers according to the performance of the 0 km supplier quality level, and carry out targeted quality improvement and improvement.

At present, the evaluation scope and calculation method of PPM parts have been defined, and the continuous tracking evaluation data has been formed. In the later stage, risk components and suppliers will be identified and targeted quality improvement and improvement will be carried out according to the quality level performance of 0km suppliers.