micro magnet, micro ruby Jiaozuo Zhenlin Magnet

The micro‑magnets manufactured by our company are mainly applied to quartz watch movements, optical isolators, automotive instrument motors, miniature medical devices, earphones and magnetic therapy instruments.

The micro‑magnets manufactured by our company are mainly applied to quartz watch movements, optical isolators, automotive instrument motors, miniature medical devices, earphones and magnetic therapy instruments.

All our products are renowned for their compact size and high precision.
For samarium‑cobalt (SmCo) material: the minimum ring size is OD1.2×ID0.3×0.3 mm, the minimum cylinder size is D0.5×0.3 mm, and the minimum block size is 1.0×0.3×0.3 mm. Even after double‑layer nickel plating, the tolerance can be controlled within ±0.015 mm.
For neodymium‑iron‑boron (NdFeB) material: the minimum ring size is OD0.9×ID0.3×0.3 mm, the minimum cylinder size is D0.3×0.3 mm, and the minimum block size is 0.4×0.3×0.3 mm. After Ni‑Cu‑Ni plating, the tolerance can be controlled within ±0.02 mm.
For synthetic jewel material: the minimum ring size is OD0.6×ID0.1×0.2 mm, with both outer‑diameter and inner‑diameter tolerances controlled at +0.004/‑0 mm.