Deyou Zhang

2 Patents

• US120537502024

  Processing System with Agitated Nutsche Filter and Conical Double Helix Dryer

  HEFEI GENERAL ENVIRONMENT CONTROL TECHNOLOGY CO, Ltd

  0 cites
• US118983982024

  Flat-type Ventilation Door-window Structure

  TAROKO DOOR & WINDOW TECHNOLOGIES, Inc.

  0 cites