Rare earth permanent magnet materials, that is, permanent magnet materials contain rare earth metals as alloying elements. Rare earth permanent magnet material is a kind of permanent magnet material with the highest comprehensive performance and has become an important material in electronic technology communication. Rare earth permanent magnet materials are not only used in various micromotors in computer, automobile, instrument, meter, household appliances, petrochemical industry, medical care, aerospace and other industries. , can also be used for nuclear magnetic resonance equipment, electrical appliances, magnetic separation equipment, magnetic machinery, magnetic therapy equipment and other components that need to generate strong gap magnetic fields, and can also be used for wind power generation and new energy vehicles.
Fund broadly refers to a certain amount of funds set up for a certain purpose. It mainly includes trust and investment funds, provident funds, insurance funds, retirement funds and funds of various foundations. From the accounting point of view, capital is a narrow concept, which refers to funds with specific purposes and uses. The funds we are talking about now mainly refer to securities investment funds.
There are many kinds of funds, such as stock funds, index funds, bond funds and hybrid funds. Different funds have different investment targets and bear different risks.
There are five risk levels of fund products, and the order of risk from low to high is: cautious products (R 1), stable products (R2), balanced products (R3), aggressive products (R4) and radical products (R5).