Yuejun Zhang

2 Patents

• US123193222025

  Bogie Framework of Rail Vehicle and Bogie

  CRRC QINGDAO SIFANG CO., Ltd.

  0 cites
• US121684652024

  Gearbox for Rail Vehicle, Bogie for Rail Vehicle and Rail Vehicle

  CRRC QINGDAO SIFANG CO., Ltd.

  0 cites