Advantage of Industrial Magnet:high quality & intensity from 2~100 mm and available in disc,cylinder,block w/zn,Ni, etc. coating Role ... , 12-35Koe; Max. working Temp:80-240 Degrees;3. Customized Coating & Sizes AvailableSurface treatment: Ni, Zn, epoxy, silver, gold, tin, Ni ... .Look forward to seeing you in our Huizhou factory too! Industrial Permanent Magnets of NdFeB