JINHAO ZHANG

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Shanghai, CN

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Patents Applicationslast 30 patents

Information Patent Application
Thread fixing base and quick fixing structure
- Publication number 20240389781
- Publication date Nov 28, 2024
- Sincere Greenworld Corporation
- Wei CHEN
- E04 - BUILDING
Information Patent Application
Adjustable bird feeding opening control system
- Publication number 20220095591
- Publication date Mar 31, 2022
- Sincere Greenworld Corporation
- WEI CHEN
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING