ABOUT PRODUCTS & SERVICES MANUFACTURING RESOURCES CONTACT Manufacturing JST has the most technologically sophisticated transformer manufacturing facilities in the world. We have facilities in Lake Mary, FL, Nogales, Mexico and 4 factories in China: Haikou, Wuhan, Shanghai, and Guilin. These factories have a total capacity for cast coil transformers of over 10 million KVA per year. Our manufacturing facilities set us apart from the competition in the following ways: Scale, Vertical Integration, Flexibility, Technological Sophistication If you have questions about our manufacturing services, fill out our contact form or call us at 844-635-0636. Manufacturing Services Casting LEARN MORE Coil Winding LEARN MORE Core Cutting LEARN MORE Testing & Final Assembly LEARN MORE Metal Fabrication & Finishing LEARN MORE About • Products & Services • Manufacturing All rights reserved • Privacy Policy