Inventor

ZHANG ZHANLING

CN2 patents

Patents

2 patents

US10137539B2Nov 27, 2018

Welding clamping device

CRRC QINGDAO SIFANG CO LTD2 citations68

US10733339B2Aug 4, 2020

Vehicle body composite coating and design method thereof

CRRC QINGDAO SIFANG CO LTD0 citations35