Shan FENG

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Wet part of fourdrinier
- Patent number 11,293,140
- Issue date Apr 5, 2022
- Shenzhen De Wei Fiber Environment Protection Technology Co., Ltd.
- Shan Feng
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
Wet Part of Fourdrinier
- Publication number 20200232163
- Publication date Jul 23, 2020
- ShenZhen De Wei Fiber Environmental Protection Technology CO. Ltd.
- Shan FENG
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE