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on september 3, a number of listed companies disclosed the latest developments in solid-state batteries, folding screens, etc. through interactive platforms and investor relations activity record sheets:solid-state batterieswanrun new energy: the current cathode material system can continue to be used in solid-state batteries, which can further expand the application areas of the company's productssacred sun power: the company's technical research and development team has carried out solid-state battery material research and verification work on various technical routes【robot】tom cat: the company's intelligent voice robot products have completed industrial design and will be launched on the market as soon as possible for sales【folding screen】transsion holdings: tecno, a subsidiary of the company, recently released an ultra-thin, tri-fold concept phoneolai new materials: the company's various target materials can be used for the preparation of flexible folding screens and curved screensgreen precision: the company is a qualified supplier of lenovohongxin electronics: folding machine brand customers currently in sampling or mass production include h company, honor, xiaomi, motorola, etc.new life: the company's mim project-related r&d work involves the development of high-quality hinge materials, but has not yet entered the market【semiconductor】jinghe integrated circuit: production capacity continues to be in short supply. 28nm oled driver chips are expected to be mass-produced in the first half of 2025tuowei information: pcs, tablets and other products built on the open source hongmeng operating system and hisilicon pangu m900 chip have achieved technological breakthroughsgokewei: gk7205v500 series ai chips have been shipped in large scale in terminal fields such as leading security companies【other】jingwang electronics: the company's zhuhai jinwan factory has been partially put into production and will strive to reach full production as soon as possiblechina eastern airlines: the company's c919 has carried out more than 3,700 commercial flightsfengyuzhu: will actively promote the implementation of vr large-space worksdeyi cultural and creative: currently, the sales of card series products through online live broadcast platforms will not have a significant impact on the company's performance (from china business news)