Mainrich International

Products & Capabilities

NdFeB magnets, built to your drawing.

Sintered neodymium magnets in every grade from N35 to N52, including H, SH, UH, and EH high-temperature series — manufactured to your dimensional drawing, tolerance, coating, and magnetization specification.

Capability snapshot

What you can specify when you send us a drawing.

Grade Range

N35 – N52

Plus H / SH / UH / EH series to 200°C

Tolerance

±0.02 mm

Servo-grade on critical bore and OD surfaces

Coatings

NiCuNi · Epoxy · Zinc · Parylene

Matched to environment and assembly method

Lead Time

~4 weeks

3–4 months when MOFCOM licensing applies

MOQ

Samples OK

Prototype and low-volume qualification runs are normal

Quality

IATF 16949 · PPAP L3

Batch BH-curve data and full lot traceability

Magnet assemblies

Buy the sub-assembly, not just the magnet.

Bonded rotor assemblies, radial multipole rings, encoder targets, Halbach arrays, and over-molded carriers — built to print, balanced, magnetized, inspected, and export-licensed as one part number.

Browse by grade

All 23 grades →

23 sintered NdFeB grades in commercial production. Select common grades below or browse the full index.

Browse by shape

All shapes are cut or pressed to your dimensional drawing. Tolerances and production ranges are documented on each shape page.

Browse by application

Grade recommendations, dimensional ranges, and design guidance for each industry segment.

Browse by material

Sintered NdFeB is our core product. We also help buyers evaluate alternatives when the application demands it.

Custom Specifications

Don't see your exact spec? Send a drawing.

If you have a dimensional drawing, flux target, and operating temperature, we can quote it. Grade recommendation and feasibility review at no charge, typically within 2 business days.