1, bulk commodities refer to the general name of the commodities ordered by customers. For example, the order quantity is 10000 pieces, which we usually call bulk commodities.

2, refers to mass production, mass production, corresponding proofing, proofing also has many stages: initial sample (first sample), second initial sample, sales sample (order for exhibition), photo sample (for models to take photos in magazines for publicity), size sample (for size), ship sample (for samples representing the production level of bulk commodities) and so on.