Four aspects of quality control
First inspection - the first pieces of self-operatives after passing inspection, quality inspector confirmed only after passing production;
Self - operator must be self piece by piece, self-test failure can not be transferred sequence, or to bear all the loss of quality;
Inspection - quality inspector on duty every day of the inspection process for regular morning and afternoon at least once;
Inspection completed - completion of the processing and self-operatives after passing inspection, quality inspector provided for by technical documents after passing the test method to determine storage.