Siemex

Siemex Solutions

From Germany to China

Western and Chinese technical partnerships delivering NdFeB capacity at industrial scale.

Hefei: 10,000 t/yr sintered NdFeB

The Hefei project was successfully commissioned and brought together the full magnet production route: raw-material handling and charge preparation; vacuum induction melting and strip casting; continuous hydrogen decrepitation; controlled-atmosphere milling and powder blending; magnetic alignment and compaction; vacuum sintering and heat treatment; precision machining; automated GBD; protective coating; magnetization; and final testing.

Process automation, traceability, utilities and environmental controls connected these systems into an integrated operation.

Suzhou: 8,000 t/yr GBD facility

Our Metallurgy and Engineering team is now engaged in a brownfield expansion, working alongside the customer on engineering, technology integration and operational commissioning.

The focus is making high-coercivity NdFeB performance repeatable at scale: controlling diffusion chemistry and thermal cycles, resolving equipment interfaces, stabilizing yield and validating each grade against the customer’s operating requirements.

Why it matters

Our continued work in China reflects the strength of Western and Chinese technical partnerships. By combining engineering discipline, manufacturing experience and close operational collaboration, we aim to support high-performance magnets, efficient materials use and a more resilient global supply chain.

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