... line for many years.We have confidence in providing your high quality products.Features:1. Material:Sintered Neodymium-Iron-Boron.2. Temperature ... ,Cylinder,Rod,Bae,Cube,Sphere,Strip,etc. 5. Size: According to customers' request.6. Coating: Ni, Zn, NiCuNi,gold, copper, ... 2.The maximum service temperature of magnet is changeable due to the ratio of length and diameter, coating and environmental factors ...