... NdFeB magnet Grade N30-N52,M,H,SH,UH,EH etc Color ... factory.1. Material:Sintered Neodymium-Iron-Boron.2.our sintered NdFeB Magnet have high continuous stability ... to N48H,N35SH to N45SH,N30UH to N40UH,N30EH to N38EH. 5. Good anti-demagnetization with Hci,over 30MOe.Neodymium magnets lose less than 0 ... value amounts to 30,000,000 Yuan per year.We are mainly engaged in magnetic materials and our products ...