Hailin Zhong

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Beijing, 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

Patents Applicationslast 30 patents

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...