Shenzhen Topsun Technology Co., Ltd. focuses on the design and development of inductor components, serving core fields including AI servers, data centers, computers, intelligent driving, robotics and network communications. Equipped with a professional technical team and advanced production and testing equipment, the company maintains a standardized quality management system. Adhering to the service philosophy of customer-oriented excellence, Topsun consistently delivers high-quality products and reliable services. The company was honored as a Provincial Specialized, Refined, Unique and Innovative SME and certified with Provincial Premium High-Tech Products in 2024, and officially obtained National High-Tech Enterprise qualification in 2025.

Zhejiang Topsun Technology Co., Ltd. located in Haining City, Zhejiang Province, is a core production and R&D base of Shenzhen Yigan Technology, Inc. in the Yangtze River Delta. The facility fully adopts lean production and intelligent manufacturing models to continuously upgrade modern manufacturing standards. From 2024 to 2025, it has successively obtained the qualifications of Provincial Sci-Tech SME and National High-Tech Enterprise, further strengthening the group’s overall technological and manufacturing strength.

Xuchang Topsun Technology Co., Ltd. located in Xuchang City, Henan Province, serves as a core production base of Shenzhen Yigan Technology, Inc. across Central China. Focused on standardized manufacturing operations, the facility continuously optimizes and upgrades production techniques to effectively boost operational efficiency and stabilize overall product quality.

The company focuses on the global import and export of electronic components, providing overseas customers with professional technical support, after-sales coordination, and brand promotion services.