TREA

Guanghua FENG

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  • Shaoxing, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    Stop Valve, Machining Method and Assembly Method
    • Publication number 20250020219
    • Publication date Jan 16, 2025
    • Zhejiang DunAn Artificial Environment Co., Ltd
    • Diyong CHEN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    STOP VALVE AND REFRIGERATION SYSTEM HAVING SAME
    • Publication number 20240376992
    • Publication date Nov 14, 2024
    • ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
    • Diyong CHEN
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...