1.Grade: N30SH-42SH 2.Size: OEM are welcome 3.Coating:Zinc 1) Material: Sintered Neodymium-Iron-Boron;2) Size: according to customers' request; 3) Grade: N35-N52, 35M-48M. 33H-44H,30SH-42SH,28UH-38UH and 28EH-35EH4) Shape: ring,block,disc,bar and so on;5) Coating: Ni, Zn, epoxy and so on;7) Application: Widely Used in Alternators, Wind Turbines, Solar Generators and Motorsso on Sintered magnets