... customers' specifications.Product DescriptionBig-size-NdFeB-Magnet-in-Block-ShapeMaterial Grade of NdFeB magnet: Magnet N-( N30,N33,N35, N38, N40 ... , N42, N45, N48, N50,N52), working temperature:80 deg.Magnet ... working temperature:220 deg.Our factory can manufacture NdFeB magnet in various size, according to the customer's ...