After more than a year's efforts of scientific and technical personnel, in recent days, China Aluminum Aluminum Corporation's science and technology development fund projects participated in by Chinalco Southwest Aluminum have successfully passed four acceptance tests. The R&D projects represented by leading product development and process improvement include: research on optimization of high-quality 1235 aluminum foil wool production process, research and development of aluminum substrates for PS aluminum plates for high-resolution high-speed lines, development of can coatings, and strips The company's independent research and development project "1 + 4" aluminum hot strip mill plate convexity modeling and control technology development. On the same day, Chinalco's Ministry of Science and Technology organized relevant experts to carry out inspections on these four technology projects. By listening to the team members' detailed introduction to the project's R&D process, the expert group accepted the four projects according to the procedures. The expert group unanimously agreed that the four projects met the acceptance conditions and approved the acceptance. Yin Xiaohui, the chief engineer of Southwest Aluminum, attended the acceptance meeting and spoke at the acceptance meeting.