Offshore Oil Development: The company's membrane products have not yet been scaled and landed in the commercial helium purification production project.

Haiyou Development stated on the interactive platform on July 22 that the company's membrane separation technology has the research foundation for helium purification technology, and currently, the overall membrane separation business for helium production is in the feasibility study and technological verification stage. The gas and electric group's Ningxia Yanchi helium project has not yet used the company's membrane products; as of now, the company's membrane products have not been scaled up for commercial helium purification production projects. In the future, the company will continue to track market opportunities for helium resource development, steadily promote technological iterations and market validation.