... :As your requirement 2.Grade:N,M,H,SH,UH,EH,AH 3.Coating:Zn,Ni,NiCuNi,Epoxy,etc Ndfeb magnet magnetic product ... and 28EH-35EH;28AH-35AH.4. Shape: Block,Ring,Disc,Cylinder,Rod,Bae,Cube,Sphere,Strip,etc.5. Size: According to ... temperature(22°C±2).2.The maximum service temperature of magnet is changeable due to the ratio of length and diameter, coating and environmental ...