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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 series of fire‑fighting power supplies is a core power‑supply device independently developed by our company, specifically designed to ensure uninterrupted electrical power during emergencies such as fires. It truly serves as a guardian of the “lifeline.”
This series of fire‑fighting power supplies is a core power‑supply device independently developed by our company, specifically designed to ensure reliable electrical power in emergencies such as fires. It truly serves as a guardian of the “lifeline” for critical operations.
Split-Type Power Supply System TH-HVDC-240336
The TH-HVDC-240/336 series high-voltage DC power supply system is a high-voltage DC (HVDC) solution developed by Tonghe Technology specifically to meet the DC power supply requirements of telecommunications operators and data centers of Internet companies. It complies with the industry standards YD/T 2378 and YD/T 3089, as well as the national standard GB/T 38833, and has obtained TLC certification.
The ZLJC-64 module developed by Shijiazhuang Tonghe Electronics Technology Co., Ltd. features the capabilities of monitoring branch circuit status, generating alarms, and providing insulation‑related information.
The ZLCL module developed by Shijiazhuang Tonghe Electronic Technology Co., Ltd. is responsible for acquiring essential DC voltage/current, battery pack temperature, digital input data, and controlling dry‑contact digital outputs in the DC system, and it uploads this data to the monitoring host via RS485/CAN interfaces.
The ZHCL-3 module developed by Shijiazhuang Tonghe Electronic Technology Co., Ltd. features the capability to acquire AC voltage, DC voltage, DC current, branch‑circuit status, alarm signals, and temperature data.
The JLCL-3 module, developed by Shijiazhuang Tonghe Electronics Technology Co., Ltd., measures AC voltage, AC current, active power, reactive power, power factor, and grid frequency, and features an RS485 interface for connectivity with automation systems.
The DYCL module developed by Shijiazhuang Tonghe Electronics Technology Co., Ltd. is a bus‑bar voltage acquisition device that can display the bus‑bar voltage locally or communicate with monitoring systems, serving as a low‑level module for external voltage signal acquisition.
The DLCL module developed by Shijiazhuang Tonghe Electronics Technology Co., Ltd. is a busbar current acquisition device that can display busbar current locally and also communicate with monitoring systems, serving as a low-level module for external current signal acquisition.
THJK102G(L)-HVDC is a monitoring system specifically designed for data center HVDC systems. Featuring a 10-inch touchscreen, it connects to various field‑level data acquisition units to provide real-time system monitoring, fault alarms, module management, charging management, and other functions. The system includes a time‑synchronization interface and multiple customizable external fault‑output interfaces, while supporting a variety of host‑computer communication protocols such as Modbus/TCP to meet backend integration requirements.
The TH336H50NZ-336 power module is a unidirectional DC/DC converter specifically designed for data center HVDC systems. It has a nominal voltage of 336 V and a rated power of 20 kW, and is connected between the battery pack and the DC bus. The battery pack discharges through the DC/DC module to the bus, ensuring stable DC bus voltage regulation.
The TH750H80NZ-A power module is an AC/DC power supply specifically designed for data center HVDC systems. It features a nominal voltage of 750 V, a rated power of 60 kW, and a peak efficiency exceeding 98%. With its high power density, it significantly reduces the footprint of power equipment. The module employs a double-sided automated potting process, ensuring high reliability, supports hot-swapping under load, and incorporates functions such as independent current sharing and cold‑start capability down to –40 °C. It complies with the requirements of standards including YD/T 2378, YD/T 3088, YD/T 3089, and GB/T 38833.
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