sān​wú​chǎn​pǐn

unlabeled products

三无产品 三無產品 sān​wú​chǎn​pǐn
unlabeled products
Products lacking three essential items, typically a production date, a quality certificate, and the manufacturer's name or address
substandard products
General term for any substandard, counterfeit, or unlicensed products that do not meet legal labeling requirements