Xiaolei CHEN

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Zhengzhou City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Polyhedral spherical denitrifying packing and use method thereof
- Patent number 12,221,368
- Issue date Feb 11, 2025
- Zhihe Environmental Science and Technology Co., Ltd
- Haisong Li
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
POLYHEDRAL SPHERICAL DENITRIFYING PACKING AND USE METHOD THEREOF
- Publication number 20240182336
- Publication date Jun 6, 2024
- Zhihe Environmental Science and Technology Co., Ltd
- Haisong LI
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE