Yiyang Hengyuan Electronic Co., Ltd. is a professional manufacturer and high-tech enterprise specializing in the design, R&D, production, and sales of high-quality aluminum electrolytic capacitors. Established in 2006 and headquartered in Yiyang City, Hunan Province—a region recognized as the hometown of aluminum electrolytic capacitors in China—the company operates a 10,000 square meter modern production facility with an annual capacity of nearly 200 million units. The company maintains a robust quality management framework with ISO 9001 and ISO 14001 certifications, and all products are RoHS compliant.
Their extensive product portfolio includes 18 series and over 60 types of capacitors, featuring radial, SMD, snap-in, and DIP types. Yiyang Hengyuan is particularly recognized for its specialized ultra-small volume, high-temperature, and long-life capacitors designed for LED lighting and power supplies. Notable product lines include the 'Coffee life' 3000-hour series and 'Dark green gold' 6000-hour series, which are utilized in bulb lamps, floodlights, electronic ballasts, and small appliances.
With 26 product patents and a dedicated R&D and testing center, the company provides comprehensive OEM and customization services to meet specific client requirements. Yiyang Hengyuan serves over 300 well-known enterprises globally, including FSL and Jiangsu Eyre Electronics. Their international trade footprint spans across Southeast Asia, the Middle East, India, Turkey, Russia, and Egypt.
Xiamen Yonghong Technology Co., Ltd. is a state-owned manufacturer and trading company based in Xiamen, China, specializing in semiconductor lead frames and related solid-state devices. Established in 1983, the company is recognized as one of the first manufacturers of lead frames in mainland China, with over 25 years of experience in the field. With a workforce of 101 to 200 employees, Xiamen Yonghong Technology operates a factory covering 25,000 square meters, including 28,000 square meters of building area, and boasts a high production capacity of 1.5 billion units per month. The company offers an extensive portfolio of over 200 varieties of precision plastic package lead frames, including types such as TO220, SOT23, SOT123/343, SOD123/323, SOP, DIP, SSOP, SDIP, SC59, and PLCC series. Their dedicated R&D team, comprising 12 engineers, consistently develops new products, releasing an average of two new items monthly. Xiamen Yonghong Technology serves a global market, supplying high-quality products to renowned corporations like Fujitsu Microelectronics, Philips Semiconductor, and ST Microelectronics.