Inventor

Zhang jun-hui

CN4 patents

Patents

4 patents

USD1045595SOct 8, 2024

Packing box

HONGFUJIN PREC ELECT ZHENGZHOU CO LTD1 citations69

US12286287B2Apr 29, 2025

Automatic feeding system

HONGFUJIN PREC ELECT ZHENGZHOU CO LTD0 citations59

USD1044493SOct 1, 2024

Packing box

HONGFUJIN PREC ELECT ZHENGZHOU CO LTD0 citations59

US11524834B2Dec 13, 2022

Receiving structure and automatic feeding system

HONGFUJIN PREC ELECT ZHENGZHOU CO LTD0 citations59