Inventor

HE ZHENGMING

CN3 patents

Patents

3 patents

US11247708B2Feb 15, 2022

Folding wagon

NINGBO MATRIX TRADING CO LTD13 citations78

US11116323B2Sep 14, 2021

Folding cot

NINGBO MATRIX TRADING CO LTD2 citations66

US11673591B2Jun 13, 2023

Children's pull wagon

NINGBO MATRIX TRADING CO LTD0 citations55