QL

Qincan Li

BL Bonsen Electronics Limited: 3 patents #1 of 1Top 100%
📍 Huangguan, CN: #1 of 5 inventorsTop 20%
Overall (2023): #64,630 of 537,848Top 15%
3
Patents 2023

Issued Patents 2023

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11618601 Vacuum sealing machine capable of locking cover automatically having upper cover limiting mechanism 2023-04-04
11565841 Vacuum sealing machine 2023-01-31
11542050 Vacuum sealing machine driven by air pressure 2023-01-03