1.Sintered ndfeb magnet material 2.Coating of magnet:Zinc,Nickel,Cu,Ni-Cu-Ni ... resistance, excellent bonding strengh ,optimum adhesion and other characteristics.2coating: zn,ni,ni-cu-ni,chemical ni, Aluminium ion,parylene,Vcauum ... equipment, electronic products,vibration motor,rotor motor sintered ndfeb magnet material (052)