... 3.ISO 9001:2000 and ISO 14001:2004 ndfeb magnet Quick Details Origin: Zhejiang China (Mainland)Brand Name: ... requirements.Delivery Detail:15-25daysSpecificationsNeodymium magnets is an alloy magnet made fromNd,Fe,B and other metal elements. ... :N33-N52,33M-48M,33H-48H,30SH-45SH,30UH-38UH and 30EH-35EH;4) Shape: ring,block,disc, ... and so on;SmeltingHydrogen broken MillingSinteringTesting neodymiun magnet