1.Sintered ndfeb magnet material 2.Coating of magnet:Zinc,Nickel,Cu,Ni-Cu-Ni ... ,ni,ni-cu-ni,chemical ni, Aluminium ion,parylene,Vcauum Titanium.Applications:1 most used in micro-motor,model motor,brushless ... equipment, electronic products,vibration motor,rotor motor sintered ndfeb magnet material (052)