Wei Shang

3 Patents

• USD10418922024

  Earphones Charging Box

  0 cites
• US117606592023

  System and Process for Separating Sand and Gravel in Sediments of Sewage Pipe Network and Recycling Organic Matters

  North China Municipal Engineering Design & Research Institute Co., Ltd.

  0 cites
• US117390152023

  Low-carbon Nitrogen and Phosphorus Removal System and Process for Sewage Treatment

  NORTH CHINA MUNICIPAL ENGINEERING DESIGN & RESEARCH INSTITUTE CO., Ltd.

  0 cites