Guangcai Zhang

3 Patents

• US124729962025

  Underneath Type Railway Freight Car Bogie Wheelset Radial Device

  CRRC MEISHAN CO., Ltd.

  0 cites
• USD10582472025

  Nightstand

  Hangzhou Lanpu Lighting Technology Co. Ltd.

  0 cites
• USD10404552024

  Folding Cart

  0 cites