Rongpu Zhang

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Fushun, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method for enclosed recycling of oil-water-sludge in oil shale dry...
- Patent number 9,938,472
- Issue date Apr 10, 2018
- Shanghai Huachang Enviromental Protection Co. Ltd.
- Mingfu Bao
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Method and Device for Enclosed Recycling of Oil-Water-Sludge in Oil...
- Publication number 20140001098
- Publication date Jan 2, 2014
- Shanghai Huachang Environmental Protection Co., Ltd.
- Mingfu Bao
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE