Zhengyang Liu

4 Patents

• US125408412026

  Particulate Matter Batching Apparatus

  0 cites
• US124165172025

  Device for Dosing Particulate Material

  0 cites
• US121239962024

  Method for Experimentally Determining Critical Sand-carrying Gas Velocity of Shale Gas Wells

  0 cites
• USD09916162023

  Hydraulic Lifting Jack

  HANGZHOU YINGJIANG MACHINERY MANUFACTURING CO., Ltd.

  0 cites