noun
medium-grade goods; fair average quality item
Refers to products that are neither high-end nor low-end; often used in commercial contexts like grading, pricing, or product descriptions.
この店では中級品が一番売れています。
Medium-grade goods sell the best at this store.
中級品でも十分な品質です。
Even medium-grade items have sufficient quality.
Low-grade goods, below 中級品 in quality and price.
Compound of 中級 (intermediate grade) + 品 (goods). The derivation is straightforward from the component meanings.