Junwei Zhao

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum compartment structure for cup lid and manufacturing method t...
- Patent number 11,179,007
- Issue date Nov 23, 2021
- SHENZHEN ZHONGMIN TECHNOLOGY CO., LTD.
- Yitong Lin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
VACUUM COMPARTMENT STRUCTURE FOR CUP LID AND MANUFACTURING METHOD T...
- Publication number 20210053740
- Publication date Feb 25, 2021
- Shenzhen Zhongmin Technology Co., Ltd.
- Yitong Lin
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR