Xueling Sun

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Wuxi, Jiangsu, CN

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Patents Grantslast 30 patents

Information Patent Grant
Intelligent oil extraction system using all-metal screw pump
- Patent number 11,913,312
- Issue date Feb 27, 2024
- WUXI HENGXIN BEISHI TECHNOLOGY CO., LTD
- Haiyang Liang
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Intelligent oil extraction system using all-metal screw pump
- Publication number 20220056791
- Publication date Feb 24, 2022
- WUXI HENGXIN BEISHI TECHNOLOGY CO., LTD
- Haiyang Liang
- E21 - EARTH DRILLING MINING