The association statement said it will review submitted information and pass it on to relevant authorities if necessary.
Chinese authorities have instituted a range of measures to try to curb longstanding problems with illegal rare earths mining in recent years, including a system of annual mining quotas, amid mounting global demand for the minerals.
China is dominant in the rare earths market, accounting for 70% of world mine production of rare earths in 2022, data from the United States Geological Survey (USGS) shows.
(Reporting by Andrew Hayley; editing by Barbara Lewis)