Apple(US:AAPL) Sou Hu Cai Jing·2025-12-15 14:13Group 1 - Gree Electric Appliances, led by Dong Mingzhu, will not adopt aluminum technology for air conditioning until it achieves the same level of technical assurance as copper [1] - The Chinese home appliance technology annual conference has released relevant standards to promote the application of aluminum in the air conditioning sector [1] Group 2 - Huawei's HarmonyOS installation has surpassed 30 million units, increasing by 3 million in less than a month [3] - The latest data shows that the number of devices equipped with HarmonyOS 5 and HarmonyOS 6 was 27 million as of November [3] Group 3 - The price of DDR5 memory has surged due to increased demand driven by AI, leading many users to revert to the AM4 platform due to its cost-effectiveness [4] - The AM4 platform is now seen as a viable option due to its mature technology and affordability, even contributing to environmental benefits [4] Group 4 - SPhotonix has announced a plan to implement its 5D glass storage technology in data centers, with a single 5-inch glass disc capable of storing up to 360TB of data [8] - The stability of this storage technology is projected to last for 13.8 billion years [8] Group 5 - The China Iron and Steel Association has called for steel companies to avoid "involution" and hopes for a response from automotive companies [10] - The demand for automotive steel is expected to grow in the future [10] Group 6 - China Mobile has released a white paper on 6G transmission technology, emphasizing the core concept of "beyond connectivity" [16] - The white paper details the architecture and key technological directions for 6G transmission networks [16]