废品收购者注意，这类行为可能触犯掩隐罪

Group 1 - The article discusses a case where an individual, Chen, was convicted for concealing and hiding criminal proceeds through the recycling of scrap metal, highlighting the judicial efforts to combat such crimes [1][2] - From July 2018 to March 2021, Li, who was previously convicted of contract fraud, deceived victims into leasing steel plates under false pretenses, leading to the acquisition of over 5,000 steel plates, which were then sold to Chen [1] - Chen knowingly purchased these steel plates at prices significantly below their actual value, resulting in illegal profits of over 6 million yuan from a total expenditure of over 16 million yuan [1] Group 2 - The article emphasizes that criminals often exploit the scrap metal recycling industry to engage in receiving and selling stolen goods, which is a common method of concealing criminal proceeds [2] - According to regulations, operators of scrap metal recycling companies are obligated to verify the legality of the sources of the metals they acquire, especially when the items are clearly not scrap and priced below market value [2] - The judicial authorities stress that Chen's actions not only involved significant illegal profits but also contributed to the underlying contract fraud, thereby undermining market order and the legal business environment [2]