... segment, block, cube, cylinder, disc,ring,rod,sphere)with different grade We produce and sell NdFeB Magnet in various shapes(segment, block, cube ... , cylinder, disc, ring, rod, sphere, etc)with different ... to 200 degree centigrade or 380 curie temperature;4. Grades: N33-N52, 33M-48M, 33H-48H, 30SH-45SH, 30UH-38UH ...