Sujuan Zhong

5 Patents

• US124475612025

  Copper-phosphorus Brazing Foil and Preparation Method Thereof

  ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., Ltd.

  0 cites
• US121096522024

  Copper-tin Brazing Wire and Preparation Method and Use Thereof

  ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., Ltd.

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• US119318282024

  Copper-phosphorus-tin Brazing Wire and Preparation Method Thereof

  ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., Ltd.

  0 cites
• US118451462023

  Brazing Wire, Forming Method of Brazing Wire and Forming Mold of Brazing Wire

  ZHENGZHOU RESEARCH INSTITUTE OF MECHANICAL ENGINEERING CO., Ltd.

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• US116607092023

  Device and Method for Manufacturing Coated Welding Rod

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