The aluminum wire CP wire must be designated with a qualified batch number, and the same batch of materials must be used when the positive and negative guide pins are paired.
The aluminum line CP line must specify a batch number that is qualified for inspection, and the same batch of material must be used when the positive and negative guide needles are paired for production
The batch number of qualified inspection must be specified for CP line of aluminum wire, and the same batch of materials must be used in the matching production of positive and negative guide pins