Jiansan ZHANG

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Hangzhou, Zhejiang, CN

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Patents Grantslast 30 patents

Information Patent Grant
Horizontal-flow sand filtration pool and water treatment process th...
- Patent number 11,180,395
- Issue date Nov 23, 2021
- AQSEPTENCE GROUP (HANGZHOU) CO., LTD.
- Jiansan Zhang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
HORIZONTAL-FLOW SAND FILTRATION POOL AND WATER TREATMENT PROCESS TH...
- Publication number 20190330090
- Publication date Oct 31, 2019
- AQSEPTENCE GROUP (HANGZHOU) CO., LTD.
- Jiansan ZHANG
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE