In 2004, three production lines for Ring Ferrite Magnet were been put into production. After more than ten years’ development and technical transformation, Onemag has three sintering furnace with 8-holes, powered by natural gas. It’s production capacity reaches 800 tons per month.

The main performances are Y25, Y30, Y35. The outer diameter is up to 320mm, and the thickness is up to 40mm.

Ring Ferrite Magnet is used in audio equipment, such as speakers.