... Excellent after-sale service; 1.NdFeB magnet with high intensity,various shapes. 2.grades:N33-N52 (M,H,SH,UH,EH) ... per your industrial application.Sintered NdFeB magnet are with different grades from N35,N38..N52. From N35SH to N45SH,from N30UH ... sample quality.Welcome your magnet and magnetic assemblies inquiris,welcome your visiting to our factory. Sintered neodymium disc package magnet for boxes