Pei YU

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Dalian, Liaoning, CN

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Patents Grantslast 30 patents

Information Patent Grant
High strength nodular cast iron pole and preparation technology the...
- Patent number 9,938,611
- Issue date Apr 10, 2018
- Pei Yu
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HIGH STRENGTH NODULAR CAST IRON POLE AND PREPARATION TECHNOLOGY THE...
- Publication number 20160024623
- Publication date Jan 28, 2016
- Pei YU
- C21 - METALLURGY OF IRON