... ).Grade: N35-N52, ETC 4).Located in Shanghai NdFeB magnet is an alloy magnet made from Nd,Fe,B and other metal elements ... ;4) Shape: ring,block,disc,bar and so on;5) Size: according to customers' request;6) Coating: Ni, Zn, gold, copper ... , magnetic hooks, magnetic holder, filters automobiles and so on; strong Ndfeb Magnet Square