QZ

Qingfeng Zhang

BC Baoshan Iron & Steel Co.: 1 patents #31 of 100Top 35%
📍 Daguantang, CN: #5 of 20 inventorsTop 25%
Overall (2017): #275,752 of 506,227Top 55%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9771639 High-strength and high-toughness steel plate with yield strength of 700 MPa and method of manufacturing the same Aiwen Zhang, Sihai Jiao 2017-09-26