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Grirem Advanced Materials Co.,Ltd.(hereinafter referred to as “Grirem”) was founded after an entire restructuring to National Engineering Research Center for Rare Earth Materials(hereinafter referred to as “CREM”) as a joint-stock company in 2001, with Grinm group Co., Ltd. ( previous General Research Institute for Non-ferrous Metals, hereinafter referred to as “GRINM”) as the main sponsor. [More]

Sintered NdFeB Magnet

1. Introduction：

Rare earth permanent magnet materials have been widely used in national defense fields such as aerospace, modern radar, and ships, as well as high-speed computers, mobile communications, new energy vehicles, wind power generation, industrial robots and other national economic fields due to their high magnetic properties.

GRIREM has two sintered NdFeB factories in Weihai and Qingdao, Shandong Province. They have been engaged in the manufacture of high-performance sintered NdFeB magnet for many years, and they have the unique leading edge in the preparation of high-performance magnets, micro-magnetic steel processing and post-processing. The current annual production capacity is 2500 tons. And the products are mainly used in mobile phone speakers, receivers, camera motors, VCM, vibration micro motors, TWS headphones, smart speakers, servo micro special motors and other fields.

2. Magnetic properties