1.shape:stick,black,ring,disc and so on. 2,Certificate:ISO9001:2008 3,Grade:N35-n52,etc 4,located in Shanghai or ... to 200 degree centigrade or 380 curie temperature; 3)Grade:N35-N52,N35M-N48M,N35H-N48H,N35SH-N45SH,N28UH-N38UH,N28EH ... so on;5) Size: according to customers' request;6) Coating: Ni, Zn, gold, copper, epoxy and so on;7) Application: sensors ...