The variety includes: Fang Xing, permanent magnetism ferrites, ferro-aluminum boron strong magnetism, rubber magnetism, samarium cobalt magnetism, magnetic product and soon.
品种有：等方性、异方性永磁铁氧体、铝铁硼强磁，橡胶磁、钐钴磁、磁性制品等。
2
The paper studies the thermal reduction magnesium process with ferro-aluminum-silicon produced from carbon thermal reduction as reducing agent and kaoline coal gangue as raw material.