CNOOC Development said on an interactive platform on July 22 that the company's membrane separation technology has a foundation for research and development of helium purification technology, and the entire related membrane helium extraction business is currently in the feasibility study and technical demonstration stage. The Electromechanical Group's Ningxia Yanchi helium project has yet to use the company's membrane products; up to now, the company's membrane products have not been implemented on a large scale in commercial helium purification production projects. Subsequent companies will continue to track market opportunities for helium resource development and steadily advance technology iteration and market verification.

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