Zhanglei WU

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Zhengzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Large to medium-size sweeping and mopping vehicle and mopping vehicle
- Patent number 10,881,259
- Issue date Jan 5, 2021
- ZHENGZHOU QINGCHENYU CLEANING EQUIPMENT CO., LTD.
- Songqi Zhao
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
LARGE TO MEDIUM-SIZE SWEEPING AND MOPPING VEHICLE AND MOPPING VEHICLE
- Publication number 20180296057
- Publication date Oct 18, 2018
- ZHENGZHOU QINGCHENYU CLEANING EQUIPMENT CO., LTD.
- Songqi ZHAO
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...