First piece (batch) sample inspection is the identification inspection and recognition of samples provided by suppliers by enterprises. The samples provided by the supplier must be representative in order to serve as a benchmark for future procurement.

The purpose of first article (batch) sample inspection is mainly to evaluate the quality level of products provided by the supplier and establish specific measurement standards. So the samples for the first (batch) inspection must be representative of future products in order to serve as a benchmark for future procurement.

Batch production refers to the quantity of identical products (or components) produced by an enterprise (or workshop) in terms of quality, structure, and manufacturing methods during a certain period of time.