The quality inspector is sent to the factory as soon as production begins, whose work is to confirm the whole production flow, quality and working schedule, analyze the abnormal situations occurred in production, find out the reason, apply countermeasures and affirm implementation. In addition, the inspector shall report the situation on site to leaders in time. Working items: • production schedule management• control of undesirable phenomenon in production• put forward improvement strategy• confirm the implementation of improvement• confirm implementation effect• timely feedback for production status and abnormal situatio