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AboutShijiazhuang Tonghe Electronic Technology Co., Ltd. is a high-tech enterprise dedicated to technological innovation, product innovation, and management innovation in the power electronics industry. It integrates R&D, manufacturing, sales, and service in the power electronics sector, providing customers with comprehensive energy solutions. -
ProductAfter more than two decades of rapid development, the company has established an industrial pattern covering three major business sectors: new energy, smart grid and aerospace. Its sales network covers more than 30 provinces, municipalities and autonomous regions nationwide, and its products are sold to overseas markets, winning high recognition from customers at home and abroad.
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PartnerIn the future, the company will continue to uphold its corporate mission of “embracing an entrepreneurial spirit, focusing on power electronics, efficiently utilizing energy, and serving global users,” while adhering to the core values of “contribution, mutual benefit, gratitude, efficiency, and innovation” to provide users with high-quality products and services.
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BlogsCommunicate with sincerity and courageously take responsibility; keep the customer at the center of our focus, continuously optimize the company’s management systems and processes, consistently identify and meet customer needs, deliver and enhance customer value, and maintain the company’s rapid growth.
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Join usThe company consistently upholds a talent philosophy centered on “people first,” actively fostering an atmosphere of respect, understanding, integrity, and friendliness. We provide a robust platform for talent development, enabling our employees to become powerful pillars of the company’s sustained growth and achieving mutual growth and shared success between the company and its talents.
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InvestorDisclose information relevant to investors’ decision-making in a truthful, accurate, complete, timely, and fair manner; strengthen communication and engagement with investors; and enhance and improve investor relations management.
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ContactWith a spirit of self-respect, self-reliance, and relentless self-improvement, coupled with an open mind, we focus on customer needs based on continuous learning and absorption. We dare to take risks, keep exploring, and steadily build management models and technological products that reflect our unique characteristics.
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No. 350, Lijiang Road, Shijiazhuang High-tech Zone
This product is a battery‑powered switch‑mode power supply for distribution automation terminals (DTUs), compliant with the requirements of power distribution network automation systems. It is widely used in substations, distribution stations, ring main units, intelligent packaged substations, smart switch controllers, and other applications that demand uninterrupted DC power supply under stringent performance criteria. Designed specifically for substation and ring main unit terminal equipment (DTU) systems, it can be paired with 7–40 Ah lead‑acid batteries, maintenance‑free gel batteries, lithium batteries, or supercapacitors, forming a complete backup‑battery‑equipped power supply system. This system effectively meets the power needs of control units, communication modules, and switching units, ensuring continuous power delivery to the load even during external power outages.
This product is entirely developed and manufactured in-house, featuring a high power‑density design and all‑digital control technology. It offers high reliability, intelligent operation, and easy deployment in 5G base stations, data centers, and power‑system communication networks, delivering stable and efficient power supply.
This product is entirely developed and manufactured in-house, featuring a high power‑density design and all‑digital control technology. It offers high reliability, intelligent operation, and easy deployment in 5G base stations, data centers, and power‑system communication networks, delivering stable and efficient power supply.
Our company has developed the TH series intelligent communication power supplies—new-generation “four‑remote” high‑frequency switching power systems specifically designed for telecommunications networks. The modules incorporate world‑leading resonant voltage‑type dual‑loop control technology, delivering compact size, lightweight construction, high efficiency, and exceptional reliability. Equipped with a standard RS‑485 interface, these units seamlessly integrate with automation systems and are well suited for use in stored‑program controlled switches as well as a wide range of telecommunications equipment.
Our company has developed the TH series intelligent communication power supplies—new‑generation “four‑remote” high‑frequency switching power supplies specifically designed for telecommunications systems. The modules incorporate world‑leading resonant voltage‑type dual‑loop control technology, offering advantages such as compact size, light weight, high efficiency, and exceptional reliability. Equipped with a standard RS‑485 interface, the products are easily integrated with automation systems and are suitable for use in stored‑program controlled switches as well as in conjunction with a wide range of telecommunications equipment.
Our company has developed the TH series intelligent communication power supply, a new-generation “four‑remote” high‑frequency switching power supply specifically designed for telecommunications systems. The modules employ world‑leading resonant voltage‑type dual‑loop control power‑conversion technology, offering advantages such as compact size, light weight, high efficiency, and exceptional reliability. The product is equipped with a standard RS‑485 interface, facilitating seamless integration with automation systems. It is suitable for use in stored‑program controlled switches and can be paired with a wide range of telecommunications equipment.
Our company’s independently developed TH-series intelligent high-frequency switching power supply is specifically designed for power systems and features “four‑remote” functionality. The modules employ world‑leading resonant voltage‑type dual‑loop control technology, offering advantages such as compact size, light weight, high efficiency, and exceptional reliability. Equipped with a standard RS‑485 interface, the product integrates seamlessly with automation systems and is suitable for substations, power plants, and hydropower stations of all types.
Our company’s independently developed TH-series intelligent high-frequency switching power supply is specifically designed for power systems and features “four‑remote” functionality. The modules employ world‑leading resonant voltage‑type dual‑loop control technology, offering advantages such as compact size, light weight, high efficiency, and excellent reliability. Equipped with a standard RS‑485 interface, the product integrates seamlessly with automation systems and is suitable for substations, power plants, and hydropower stations.
Our company’s independently developed TH-series intelligent high-frequency switching power supply is specifically designed for power systems and features “four‑remote” functionality. The modules employ world‑leading resonant voltage‑type dual‑loop control technology, offering advantages such as compact size, light weight, high efficiency, and excellent reliability. Equipped with a standard RS‑485 interface, the product integrates seamlessly with automation systems and is suitable for substations, power plants, and hydropower stations.
Our company’s independently developed TH-series intelligent high-frequency switching power supply is specifically designed for power systems and features “four‑remote” functionality. The modules employ world‑leading resonant voltage‑type dual‑loop control technology, offering advantages such as compact size, light weight, high efficiency, and excellent reliability. Equipped with a standard RS‑485 interface, the product integrates seamlessly with automation systems and is suitable for substations, power plants, and hydropower stations of all types.
This product is a high‑power‑density communication power supply for industrial applications, entirely developed, tested, and manufactured in‑house by our company. It complies with national standards and represents a targeted upgrade over the original TH48D50NZ‑S‑2 series, featuring an all‑steel front panel. With a compact 1U form factor, it delivers exceptionally high power density and achieves a peak efficiency of up to 96%. The module incorporates multiple built‑in protection features, ensuring safe and reliable operation. It supports Modbus communication protocols and is compatible with Tonghe protocols, equipped with RS‑485 interfaces, making it highly versatile and suitable for a wide range of application scenarios. When paired with monitoring systems, it can be integrated into complete communication power supply systems, DC switchgear panels, or unified power solutions.
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