Long CHEN

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Hefei, Anhui, CN

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Patents Grantslast 30 patents

Information Patent Grant
Hinge and refrigeration equipment
- Patent number 12,173,955
- Issue date Dec 24, 2024
- HEIFEI HAULING CO., LTD.
- Yanping Li
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
HINGE AND REFRIGERATION EQUIPMENT
- Publication number 20230114344
- Publication date Apr 13, 2023
- HEFEI HUALING CO., LTD.
- Yanping LI
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES