... Fe-B magnet, 2]-Industria magnet3]-Use for motor,lift,door ,etc.4]-detail size mak ... 20-30%, Iron: 60%, Born:102) applicaltion :Motor,LiftToys.Hardware,Office AutomationElectricalmini-motorPermanent magnetic resonance sound devicemagnetic ... days.Raw Material: ---Burden---Hydrogen---Pulverization----Pressing---Sintering ----Testing Property----Machining--- Make Hole(Drilling, sunk)----Suface Treatment ...