Chongmu Chen

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Panzhihua, CN

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Patents Grantslast 30 patents

Information Patent Grant
Heat treatment method for increasing the depth of hardening layer i...
- Patent number 10,214,799
- Issue date Feb 26, 2019
- PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., LTD.
- Zhenyu Han
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
MODERATE-STRENGTH STEEL RAIL AND PRODUCTION METHOD THEREOF
- Publication number 20240068063
- Publication date Feb 29, 2024
- Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
- Jun YUAN
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HIGH-IMPACT-TOUGHNESS STEEL RAIL AND PRODUCTION METHOD THEREOF
- Publication number 20160194730
- Publication date Jul 7, 2016
- Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
- Jun YUAN
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT TREATMENT METHOD FOR INCREASING THE DEPTH OF HARDENING LAYER I...
- Publication number 20160010188
- Publication date Jan 14, 2016
- Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
- Zhenyu Han
- C21 - METALLURGY OF IRON