这句话看看怎么表达会比较好,用英文对于需要进行包装测试的样板,因为数量实在是太多了,我建议每个工厂选取一个ITEM作为代表,提供1套样板给你测试,因为它们的包装方式都是一样的.

it's really too many samples to be tested, I suggest that each factory to select one set of item as a representative sample for testing as the packing way is the same.