Industry Overview - The demand for smartphone thermal management devices is increasing due to enhanced smartphone performance, faster processors, and higher screen resolutions, leading to increased heat generation [1][13] - The rapid adoption of 5G technology is driving the need for higher performance and efficiency in thermal management devices to meet the growing thermal demands in 5G scenarios [1][13] - The market size of China's smartphone thermal management device industry is projected to reach approximately 3.267 billion yuan in 2024, representing a year-on-year growth of 6.52% [1][13] Industry Chain - The upstream of the smartphone thermal management device industry chain includes raw materials such as metals, ceramics, plastics, composite materials, PI films, natural graphite, CVD equipment, and cooling liquids [7] - The midstream involves the production and manufacturing of thermal management devices, while the downstream consists of various types of smartphones [7] Material and Technology Trends - Natural graphite is a key raw material for manufacturing high thermal conductivity graphite sheets and thermal films, essential for ensuring stability and battery life during high-load operations [9] - The production of natural graphite in China is expected to grow from 708,000 tons in 2015 to 1,291,600 tons in 2024, with a compound annual growth rate of 6.91% [9] - Future innovations in materials will focus on higher thermal conductivity and lighter weight, with potential applications of new materials like graphene and carbon nanotubes [23] Market Dynamics - The smartphone market in China saw a decline in shipments from 461 million units in 2017 to 296 million units in 2020, primarily due to market saturation and extended replacement cycles [11] - The smartphone shipment volume is expected to reach 294 million units in 2024, reflecting a year-on-year growth of 6.52% [11][13] - The competitive landscape of the smartphone thermal management device market is diverse, with significant contributions from both domestic and international players [16] Key Companies - Major companies in the smartphone thermal management device industry include Carbon Source Technology Co., Ltd., Shenzhen Feirongda Technology Co., Ltd., and Beijing Zhongshi Weiye Technology Co., Ltd., among others [16][19][21] - Shenzhen Feirongda Technology Co., Ltd. is focused on electromagnetic shielding materials and thermal management materials, with projected revenue of 1.864 billion yuan in 2024, up 7.56% [19] - Beijing Zhongshi Weiye Technology Co., Ltd. specializes in advanced thermal management solutions, with expected revenue of 1.539 billion yuan in 2024, reflecting a growth of 23.81% [21]