SPN is certified by ISO9001 & ISO14001 to produce extremely heterogeneous sintered ferrite with extremely high performance. The apparent magnetic properties of SPN can reach 2000 GS, 6 pole and 8 pole products. The mass production of SPN is over 1800GS, the product consistency is good, and the service life is more than 10 years. Product performance and international standards. Products are used in micro motor, step motor, brushless DC motor EPS motor field.