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Chunjiang Kuang

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  • Shijiangzhuang, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Powder metallurgy wear-resistant tool steel
    • Patent number 10,385,428
    • Issue date Aug 20, 2019
    • HEYE SPECIAL STEEL CO., LTD
    • Xiaoming Li
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Spray-formed high-speed steel
    • Patent number 10,233,519
    • Issue date Mar 19, 2019
    • HEYE SPECIAL STEEL CO., LTD.
    • Lizhi Wu
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    Powder metallurgy wear and corrosion resistance alloy
    • Publication number 20180179618
    • Publication date Jun 28, 2018
    • ADVANCED TECHNOLOGY & MATERIAL CO., LTD
    • Xiaoming Li
    • C21 - METALLURGY OF IRON
  • Information Patent Application

    Powder metallurgy wear-resistant tool steel
    • Publication number 20170211167
    • Publication date Jul 27, 2017
    • HEYE SPECIAL STEEL CO., LTD.
    • Xiaoming Li
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Spray-formed high-speed steel
    • Publication number 20170204502
    • Publication date Jul 20, 2017
    • HEYE SPECIAL STEEL CO., LTD.
    • Lizhi Wu
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...