Chan Ye Xin Xi Wang·2025-08-23 02:06Core Viewpoint - The solid-state relay (SSR) industry is experiencing steady growth in China, driven by advancements in electronic technology and increasing demand from renewable energy sectors and electric vehicles. The market size is projected to reach 11.249 billion yuan in 2024, reflecting a year-on-year increase of 6.6% [1][11]. Industry Overview - Solid-state relays are new types of contactless switching devices composed entirely of solid-state electronic components, offering higher reliability, longer lifespan, and faster switching speeds compared to traditional electromechanical relays [3][11]. - The solid-state relay operates without physical contacts, reducing mechanical wear and electromagnetic interference, making it suitable for applications requiring frequent switching and high reliability [1][11]. Market Size and Growth - The market size of China's solid-state relay industry is expected to grow steadily from 2015 to 2024, reaching 11.249 billion yuan in 2024, with a year-on-year growth rate of 6.6% [1][11]. - The production volume of solid-state relays in China is projected to reach 738 million units in 2024, reflecting a year-on-year increase of 3.9% [15]. Product Demand and Trends - Demand for mid-to-high-end solid-state relays is increasing, with their market share expected to reach 40.10% by 2024, while low-end products will still dominate at 59.90% [13]. - The industry is witnessing a trend towards miniaturization and integration of solid-state relays, driven by the need for compact electronic components in modern devices [23]. Technological Advancements - Continuous advancements in semiconductor technology, materials science, and manufacturing processes are enhancing the performance of solid-state relays, enabling them to meet more complex and high-end application requirements [24]. - New semiconductor materials are allowing solid-state relays to operate stably in harsh environments, supporting the growth of industrial automation and renewable energy sectors [24]. Competitive Landscape - The solid-state relay market in China includes numerous participants, with domestic companies primarily focusing on mid-to-low-end products, while foreign companies dominate the high-end market [17]. - Key players in the industry include Hongfa Technology Co., Ltd., Guizhou Aerospace Electric Co., Ltd., and Zhejiang Chint Electric Co., Ltd., among others [18][19][21].