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Focus on R&D and manufacturing of magnetic components
Transformer Series——
Through the nationwide manufacturing base, complete global service network, relying on strong research and development capabilities and advanced production technology, combined with leading cross-border advantages, to create value for customers.
OBC & High Power Denisity Magnetic Components
In the face of the rapid development of new energy vehicles and energy-saving technologies, Kaihongli combines its technical advantages in the field of transformers, and actively develops energy-saving and efficient magnetic components of new energy vehicles and charging pile modules, providing customers with perfect solutions and high-quality products, and promoting the development of new energy vehicles and their supporting charging equipment.
Medical equipment and variable frequency power supply magnetic components

The quality of magnetic devices will directly affect the stability and reliability of the medical equipment power supply. To this end, in view of the current status of the medical equipment market, Kaihongli assists medical equipment manufacturers to conduct long-term research on the magnetic component of the power supply, and has high attests in the safety isolation, electromagnetic compatibility and anti-electromagnetic interference ability of the magnetic component. Instruments and equipment Transformers are mainly used in a variety of high-precision equipment and instrumentation, our stable product quality guarantees the reliability of high-precision equipment, so that products can operate stably under different conditions.

The company combines its own technical advantages in the field of transformers, and actively develops a variety of magnetic devices to provide customers with perfect solutions and high-quality products. This kind of product is mainly used in uninterruptible power supply products, is to ensure that the product can continue to work normally in the emergency of the main device, we have a number of well-known UPS and inverter power manufacturers to provide quality products.
UPS and industrial power magnetic components
Cold Cathode Fluorescent Lighting (CCFL) Inverter Transformer
Cold Cathode Fluorescent Lamps (CCFLs) are used to illuminate Liquid Crystal Displays (LCDs). The LCD display is used in laptop computers, gas pumps, automobiles, test equipment, PDAs and medical instruments.
CCFLs are small, efficient and inexpensive. The lamp must be driven by a specialized power supply. High sinusoidal AC voltage is needed to start the lamps, but once started, the voltage drops to a lower level. CCFL circuits are usually powered from a low voltage DC source of 5-12V. The DC to AC power supply needs a transformer to change low DC input voltage to high sinusoidal AC voltage.
Magnetic group devices for rail transit and power quality
Due to the special use of track, aviation and other power control power supply field, so that its application of magnetic devices, must have higher reliability and complex environmental adaptability, based on this special requirements, in the main transformer and other important devices, are installed metal shell and device integral filling sealing process, the key devices play a fixed, dust, radiation, and better heat dissipation effect.
Network communication and cloud services magnetic components

With the communication, the cloud concept power supply requirements to high efficiency, small size, low loss, modular development, driving traditional magnetic device products, in such applications to improve and optimize to adapt to the development of new communications, cloud concept power supplies.

Intelligent Internet of Things and traditional home electromagnetic group devices

Home appliances are based on the residential platform, using integrated wiring technology, network communication technology, security technology, automatic control technology, audio and video technology to integrate home life related facilities, build an efficient residential facilities and family schedule management system, improve home security, convenience, comfort, artistry, and achieve environmental protection and energy saving living environment.

Kaihongli's transformer portfolio includes a wide array of power transformers including flyback transformers, forward converter transformers, push/pull transformers, full-bridge transformers, half-bridge transformers, LLC resonant transformers, isolated buck transformers, gate drive transformers, current sense transformers, three-phase transformers, and linear single-phase transformers. These transformers are designed to meet UL, CQC, and IEC safety requirements and can meet RoHS requirements. In addition, Kaihongli manufactures signal transformers, audio transformers, and RF transformers that provide safety isolation. With a capability to provide products that operate over a wide temperature range (-55 °C to +220 °C), these transformers can handle extreme environments.
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