Permanent-magnet iron oxide is manufactured, using SrO or BaO and Fe2O3 as raw materials, through ceramic processes.We mainly produces HD10T,HD20,HD25,HD30,HD33H,HD34H,HD42B,HD43,HD43B, and etc.up to 9 types of hard ferrite and bonded hard ferrite. The products include strip,cylinder,ring,U-shape,block, block with hole and segments.