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Company Profile

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.

Zhejiang Production Base
Jiangsu Production Base


1.What’s your production range?

We can produce wide range of magnet wires, including enameled wire, paper insulated wire, glass fiber insulated wire and etc. You can find details below:


Insulation type: enamel, paper, glass fiber, film

Thermal class: 120, 130, 155, 180, 200, 220, 240

Conductor: copper, aluminum, copper clad aluminum

Shape: round, rectangular, square

Size range: round 0.015-6.80mm, rectangular 0.80-400mm²


2.What’s your minimum order quantity?

Our annual production capacity in 2021 reaches 100,000 tons, can make stock fast delivery and special customization, MOQ is as below:

Round: 100-200kg

Rectangular: 500-1000kg


3.What’s your packing?

We use plastic spool+carton+pallet/wooden box; wooden spool+pallet/wooden box.

Spool type: PT4, PT10, PT15, PT25, PT45, PT60, PT90, PT200, K355, K500

We can also change to other type according to your requirement.


4.What’s your lead time?

Normally we can deliver in 3-4 weeks.


For more information, you can leave a message or contact us by email/whatsapp, we will reply you soon, thank you.