QZ

Qingjun Zeng

ZC Zhejiang Dunan Artificial Environment Co.: 1 patents #11 of 25Top 45%
📍 Shaoxing, CN: #22 of 67 inventorsTop 35%
Overall (2025): #248,312 of 469,880Top 55%
1
Patents 2025

Issued Patents 2025

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
12334257 Expansion valve coil assembly Lifeng Zheng, Bin Wei, Jiyou ZHANG 2025-06-17