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Yongli Chen

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  • Ningbo, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    High-plasticity free-cutting zinc alloy
    • Patent number 9,803,264
    • Issue date Oct 31, 2017
    • Ningbo Powerway Alloy Material Co., Ltd.
    • Wensheng Sun
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

  • Information Patent Application

    High-Plasticity Free-Cutting Zinc Alloy
    • Publication number 20160369375
    • Publication date Dec 22, 2016
    • NINGBO POWERWAY ALLOY MATERIAL CO., LTD.
    • Wensheng Sun
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...