P

Inventor

ZHANG PENGYUAN

CN10 patents
⚠️ This page may combine multiple inventors who share the name “ZHANG PENGYUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO LTD

7 patents

NINGBO WANHUA POLYURETHANES CO

1 patent

TENCENT TECH SHENZHEN CO LTD

1 patent

ZHANG HONGKE

1 patent