About Us

Yunleeb is a professional manufacturer of magnetic components headquartered in Shenzhen, China, with production bases located in Dazhou, Sichuan and Bao’an, Shenzhen.

Since our establishment, Yunleeb has been committed to advancing the design and manufacturing technologies of magnetic components, with a mission to empower our customers’ innovation and development.

Our main products include high- and low-frequency transformers and magnetic ring inductors, and over the years, our portfolio has expanded to cover high-power products, PCB-type components, planar types, coreless designs, copper plate components, and flat-wire vertical inductors. Together, these product lines meet nearly all magnetic component needs across the power transmission and conversion process.

Yunleeb products are widely used in industries such as photovoltaic new energy, servers, medical equipment, intelligent robotics, 5G communication base stations, high-end industrial equipment, rail and port transportation, charging stations, electric vehicles, and consumer electronics.

Our Core Technical Specialties

While we provide a full range of standard magnetics, Yunleeb is a specialist in High-Power, High-Voltage, and Isolated Solutions, including:

  • Solid-State Transformers (SST) & Power Electronic Transformers (PET): Advanced designs for the next generation of smart grids.

  • Medium-Voltage (MV) DC-DC Converters: Specialized for New Energy Power Plants, ESS, and High-Voltage DC supply in Data Centers.

  • High-Power Isolated Transformers: Custom-engineered for traction drives, industrial frequency conversion, and grid-tie systems.

  • Advanced Geometries: Expertise in Planar Transformers, Coreless designs, Copper Plate components, and Flat-wire Vertical Inductors.

Industries We Power

Our products are the heart of critical systems in:

  • Renewable Energy: Photovoltaic (PV) systems & Energy Storage Systems (ESS).

  • Infrastructure: 5G Communication, Rail & Port Transportation, and EV Charging Stations.

  • High-End Industrial: Intelligent Robotics, Medical Equipment, and Servers.

We currently have a team of over 60 skilled employees across our Shenzhen headquarters and mainland production bases, equipped with more than 150 advanced machines and instruments including CNC winding machines, automatic winding machines, automatic soldering machines, automated assembly and testing systems, high-voltage testers, tunnel furnaces, ovens, comprehensive testers, and laser marking machines.

With a monthly capacity of 500,000 transformers and 1,000,000 inductors, Yunleeb consistently delivers high-quality, reliable magnetic solutions that power innovation across industries worldwide.

Yunleeb — Powering Innovation Through Magnetic Excellence.