Your magnet supplier
shouldn't be your biggest risk.

MOFCOM takes ~45 working days. We start filing on Day 1, so the license is ready when your magnets are

“Our previous supplier finished production then told us to wait 45 days. With Mainrich, we didn't even have to think about it.”

— Procurement Director, German Tier-1 Supplier

2 years of R&D on grain boundary diffusion to slash rare earth cost — unit price down 5–10%, powering 3M+ lawn mower motors in 2021

“Mainrich spent two years developing a diffusion process that gave us the same H-grade specs at 10% less cost — and with 80% less rare earth dependency.”

— Motor Division Engineer, Lawn Mower OEM

Unitree's H1 danced on CCTV's Spring Festival Gala in front of 700 million viewers. Behind every joint movement is a precision radial ring magnet

“Each humanoid robot contains 10–40 joint motors. When production scales from hundreds to thousands, the magnet supply chain becomes the bottleneck.”

— Mainrich International

Grain Boundary Diffusion targets only the grain boundaries where demagnetization starts, instead of wasting expensive Dy/Tb throughout the entire magnet

“A GBD-processed N48SH delivers the same thermal performance as conventional N48SH but with ~1 MGOe higher energy product and 50–70% less rare earth cost.”

— Mainrich International