Zhanji Dong

2 Patents

• US118813512024

  Preparation Method of Ring-shaped Sintered Nd—fe—b Magnet and Its Moulding Die

  Yantai Shougang Magnetic Materials Inc

  0 cites
• US117767192023

  Method for Preparing Sintered Ndfeb Magnets

  Yantai Dongxing Magnetic Materials Inc.

  0 cites