Consumers who find counterfeit and substandard products can complain to the consumers' association.
Tips
memory
Four-part compound: 假 (fake) + 冒 (to impersonate) + 伪 (false) + 劣 (inferior) + 产品 (product). Each character layers on the idea of 'fraudulent goods' - useful mnemonic: the more characters, the more deeply dodgy the product.
