Bangming Chen

2 Patents

• US124854772025

  Coarse Grain Cemented Carbide and Preparation Method Thereof

  Chongyi Zhangyuan Tungsten Co., Ltd

  0 cites
• US119652272024

  Metal Ceramic and Preparation Method Thereof

  CHONGYI ZHANGYUAN TUNGSTEN CO., Ltd.

  0 cites