JST has the most technologically sophisticated transformer manufacturing facilities in the world. Our primary facility is in Haikou, China, with an additional facility scheduled to open in Wuhan, China in February 2008. Our manufacturing facilities set us apart from the competition in the following ways:

  • Scale – We have one of the largest manufacturing capacities of transformers in the world. The Haikou facility has a capacity of 6 million kVA. The Wuhan facility, when it becomes operational, will add a capacity of 4 million kVA to JST’s production lines.

  • Vertical Integration – We manufacture virtually all parts and components used in our transformers, using the highest quality raw materials.

  • Flexibility – We offer transformers with a broad range of capacities. Our manufacturing facilities are extremely flexible, allowing us to produce transformers exactly to our customers’ specifications.

  • Technological Sophistication – We manufacture our products in a fully-automated, computer-driven facility using the latest, most sophisticated equipment and processes.

For detailed information about our manufacturing process, as well as photographs of our equipment and facilities, visit the following pages:



Haikou Factory  Click to enlarge



Wuhan Factory  Click to enlarge
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