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——ㅤOur Advantageㅤ——

Production Capacity
Strength Manufacturer

  • Plants area 150,000 m²
  • 95 sets of production lines
  • ISO 9001, ISO14001, IATF 16949,UL certified
Quality Assurance

  • Mature quality control process
  • On-line detection, full Set of testing equipments
  • Experienced QC team
Customized Production

  • Advance technology,R&D cooperating with colleges
  • Customized solutions,while engineers tracking on quality
  • Strict process, quality control and regular staff training
Excellent Service

  • Project teams tracking, ensuring quality stability
  • 80,000T production capacity, meeting customer daily order need
  • 7*24 hours customer service

Who Are We

Ningbo Tinsun Electric Co., Ltd., a subsidiary of Jiuli Group, is responsible for group’s import and export business. We founded in 1984, are a leading group in the design, manufacture and supply of magnet wire in China. With more than 1,200 employees, 2 production bases, we produce copper or aluminum enameled magnet wire, paper covered winding wire, glass fiber covered winding wire, and annual production capacity reaches 80,000 tons. We are certified to ISO 9001, ISO 14001 and IATF16949, products with UL,RoHS and REACH certificates. Our products are widely used in automotive motors, generators, transformers, industrial motors, pumps, home appliances, relays, magnetic valves and etc.


After 39 years’ development, Jiuli has grown up to be a comprehensive group, sets up 6 subsidiaries, and field involves new material, industrial automation and bulk trade. We adhere to the development concept of "Not only stressing company benefits, but also seeking social merit", and are committed to providing the better life of people.

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