Deeply rooted in the inductor field for over two decades, empowering the AI and intelligent era with core technologies.
As a high-tech enterprise and a benchmark for specialized, refined, distinctive, and innovative companies in China’s inductor industry,Shenzhen Topsun Technology Co., Ltd. has been dedicated to the R&D, manufacturing, and sales of inductors since its establishment in 2007. After more than two decades of technological accumulation and deep industry engagement, the company has grown into a leading domestic provider of passive semiconductor components, integrating R&D, manufacturing, and sales. Its high-performance inductor products deeply serve key sectors such as AI servers, intelligent driving, network communications, and consumer electronics, providing critical component support for the global digital economy and smart technology industries.
Twenty years of dedicated craftsmanship have laid a solid foundation for domestically produced inductors.
Topsun , headquartered in Shenzhen, has large-scale production bases in Xuchang, Henan Province, and Haining, Zhejiang Province, with a total site area exceeding ten of thousands of square meters. The company is equipped with advanced automated production lines and world-class testing equipment. With over two decades of deep expertise in the inductor field, Yigan adheres to technology independence and quality first, having accumulated more than 100 patents and established a comprehensive R&D system and quality control framework.
Leveraging its deep technological expertise and scalable manufacturing capabilities, Topsun has become one of China's leading professional inductor manufacturers. Its products have obtained numerous internationally recognized certifications and are exported worldwide, serving Fortune 500 companies as well as industry leaders across various sectors. The company has established a strong reputation in fields such as AI servers/data centers, computers, robotics, intelligent driving, and network communications.
Full-scenario coverage, precisely positioning ourselves in high-growth markets.
Relying on strong R&D capabilities and rapid responsiveness, Topsun deeply grasps the trends driving transformation in the electronics industry. Its product portfolio precisely covers eight high-growth application areas, comprehensively meeting the stringent demands of next-generation electronic devices for inductors that deliver high current, low loss, high stability, and miniaturization.
- AI Servers/Data Centers: High-current power inductors tailored for high-end AI chips—each AI server requires 8 to 10 times more inductors than traditional servers—helping ensure the efficient and stable operation of computing infrastructure.
- Computers: Offering ultra-thin chip inductors that strike a balance between high-density integration and high performance, ideal for powering thin-and-light laptops and high-performance desktops
- Intelligent Driving: We’ve launched automotive-grade inductors that are AEC-Q200 certified, featuring high-temperature resistance and vibration tolerance, ensuring the safe and reliable operation of autonomous driving domain controllers, vehicle gateways, and intelligent cockpit systems.
- Network communication: Covers 5G base stations, switches, and routers, using high-frequency, low-loss inductors to ensure high-speed data transmission and signal stability.
- Smartphones, tablets, and smart wearables: Miniaturized, ultra-thin inductors help make end devices lighter, thinner, and more energy-efficient.
- Server power supply: High-power, high-saturation inductor, suitable for efficient conversion and high-current output scenarios in server power supplies.
Seize the AI computing power boom and accelerate breakthroughs through domestic substitution.
Currently, global AI computing power is experiencing explosive growth, accelerating the construction of AI servers and data centers, and driving an exponential increase in demand for high-end power inductors. Topsun has proactively positioned itself by focusing on three core areas: inductors for AI servers, automotive-grade inductors, and high-frequency communication inductors. The company continues to ramp up R&D investment, optimize product performance, and benchmark against world-class manufacturers in key metrics such as high current density, low DC resistance, and high-temperature stability.
Leveraging its rapid customized development capabilities, stable large-scale delivery, and cost-effectiveness, the company is accelerating its entry into the supply chains of global leading AI server and intelligent driving manufacturers, becoming a key domestic force in replacing imported inductors.
Looking ahead: Empowering with chips, co-creating the future with intelligence.
Facing the new era of intelligent technology, Topsun will continue to stay committed to its core business in inductors, deepening its three major strategies—technological innovation, intelligent manufacturing, and market expansion—while continuously refining its product portfolio, increasing the proportion of high-end products, and expanding applications into emerging fields such as AI, intelligent driving, and new energy.
