Inventor

NONG ZHONGCHAO

CN2 patents

Patents

2 patents

US11185959B2Nov 30, 2021

Flocking sanding tool and manufacturing method thereof

DONGGUAN GOLDEN SUN ABRASIVES CO LTD1 citations50

US11059150B2Jul 13, 2021

Elastic self-lubricating polishing tool

DONGGUAN GOLDEN SUN ABRASIVES CO LTD1 citations50