Zhenghong WANG

Follow

Person

Zibo, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Nitrogen-containing microalloyed spring steel and preparation metho...
- Patent number 11,466,334
- Issue date Oct 11, 2022
- Shandong Automobile Spring Factory Zibo Co., Ltd.
- Simon Yisheng Feng
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
NITROGEN-CONTAINING MICROALLOYED SPRING STEEL AND PREPARATION METHO...
- Publication number 20200190614
- Publication date Jun 18, 2020
- Shandong Automobile Spring Factory Zibo Co.,Ltd.
- Simon Yisheng FENG
- C21 - METALLURGY OF IRON