Inventor

ZHANG MINGRU

CN2 patents

⚠️ This page may combine multiple inventors who share the name “ZHANG MINGRU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MAGANG GROUP HOLDING CO LTD

1 patent

US11434553B2Sep 6, 2022

Low cost lean production bainitic steel wheel for rail transit, and manufacturing method therefor

MAGANG GROUP HOLDING CO LTD2 citations62

NMAGANG GROUP HOLDING CO LTD

1 patent

US11306377B2Apr 19, 2022

High strength, high toughness, heat-cracking resistant bainite steel wheel for rail transportation and manufacturing method thereof

NMAGANG GROUP HOLDING CO LTD0 citations37