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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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Headquarters address:
No. 350, Lijiang Road, Shijiazhuang High-tech Zone
TH700D100ND-A
For complex environments such as tunnel lighting, outdoor road lighting, and marine lighting—where stable illumination is of critical importance—our company has independently developed a new generation of intelligent lighting power‑supply products.
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Product Introduction
For complex environments such as tunnel lighting, outdoor road lighting, and marine lighting—where stable illumination is of critical importance—our company has independently developed a new generation of intelligent lighting power‑supply products.
Product Features
·Wide-range voltage output and all-digital control
·Efficient air cooling and high-protection design
·Lightweight and compact structure -
Project Parameter Metrics Product model TH700D100ND-A Input voltage range 285–475 VAC Input frequency range 45–55 Hz Output voltage range 50–800 VDC Maximum output current 100A Efficiency ≥94% Voltage regulation accuracy ≤±0.5% Source effect 0.001 Load effect 0.005 Parallel operation current imbalance degree ≤±5% Storage temperature -40～+75℃ Operating temperature -30～+75℃ Module cooling method Forced air cooling Anti-backflow output Support Size 84*218*458mm Weight 15kg
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For complex environments such as tunnel lighting, outdoor road lighting, and marine lighting—where stable illumination is of critical importance—our company has independently developed a new generation of intelligent lighting power‑supply products.
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