Inventor

YU XIAMING

CN2 patents

Patents

2 patents

US9889482B2Feb 13, 2018

Automatic counting chain-cutting machine for round link chains

ZHEJIANG SHUANGNIAO MACH CO LTD0 citations21

US9505592B2Nov 29, 2016

Adjustment and testing device for a load-limiting hoist

ZHEJIANG SHUANGNIAO MACH CO LTD0 citations15