Sheng-hun Jeng

3 Patents

• US124550172025

  Valves with Leakage Detector

  DAOZ INTERNATIONAL HOLDING LIMITED

  0 cites
• US123318492025

  Diaphragm Valves

  DAOZ INTERNATIONAL HOLDING LIMITED

  0 cites
• US123057802025

  Pipe Joint Assemblies

  DOAZ INTERNATIONAL HOLDING LIMITED

  0 cites