LONGXIANG

LONGXIANG

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Dragon Miles - Informative and Credible

Specializing in the production of transformers, various types of box-type transformers and substations and high and low voltage electrical appliances manufacturing enterprises.

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Nantong Longxiang Electrical Equipment Co., Ltd

Focus on the transformer, Various box-type transformers and substations and high and low voltage electrical solutions

Longxiang Electric originated from Nantong Transformer Factory, which was established in 1968. It was restructured and established in 2003 by Comrade Zhang Bangguo, the former director of Nantong Transformer Factory, a national model worker and enjoying special allowance from the State Council. Our company is a manufacturer specializing in the production of transformers, various box-type transformers, substations and high and low voltage electrical appliances. The company has high-quality talents, professional technology, advanced equipment, strict management, depending on the quality of life, from raw materials, personnel, equipment...

50 +

Over 50 years of industry experience

5180 Ten thousand yuan

Enterprise registered capital

20000

Floor Area

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Products PRODUCTS

Quality, let Longxiang more can be expected!

S22-30~2500/10 three-phase double-winding non-excited oil-immersed transformer (electrical steel strip)

The fully sealed power transformer eliminates the oil storage tank, using the fins of the corrugated oil tank body as a heat dissipation cooling element. At the same time, it expands and contracts with the increase and decrease of transformer oil, isolating the interior of the transformer from the atmosphere, preventing oil deterioration and insulation from moisture and aging, thus enhancing operational reliability. The core uses high-quality cold-rolled silicon steel sheets, effectively improving the distribution of magnetic flux density within the core, reducing noise and losses. The coils are wound with high-strength enameled wire (or paper-wrapped wire), featuring a cylindrical (or disc) structure, with uniform winding distribution and a reasonable insulation structure, providing strong short-circuit resistance. All fasteners used in the oil tank are equipped with locking nuts to ensure they do not loosen during long-distance transportation. The surface of the oil tank is treated with phosphating and coated with three-proof paint (moisture-proof, mildew-proof, salt spray-proof), widely used in harsh environments such as metallurgy, mining, and petrochemicals.

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S20-30~2500/10 three-phase double-winding non-excited oil-immersed transformer (electrical steel strip)

The fully sealed power transformer has eliminated the oil storage tank, using the fins of the corrugated oil tank body as a heat dissipation cooling element. At the same time, it expands and contracts with the increase and decrease of transformer oil, isolating the interior of the transformer from the atmosphere, preventing oil deterioration and insulation from moisture and aging, thus enhancing operational reliability. The core uses high-quality cold-rolled silicon steel sheets, effectively improving the distribution of magnetic flux density within the core, reducing noise and losses. The coils are wound with high-strength enameled wire (or paper-wrapped wire), featuring a cylindrical (or disc) structure, with uniform winding distribution and a reasonable insulation structure, providing strong short-circuit resistance. All fasteners used in the oil tank are equipped with locking nuts to ensure they do not loosen during long-distance transportation. The surface of the oil tank is treated with phosphating and coated with three-proof paint (moisture-proof, mildew-proof, salt spray-proof), widely used in harsh environments such as metallurgy, mining, and petrochemicals.

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S13-30~2500/10 three-phase double-winding non-excited oil-immersed transformer (electrical steel strip)

The fully sealed power transformer has eliminated the oil storage tank, using the fins of the corrugated oil tank body as a heat dissipation cooling element. At the same time, it expands and contracts with the increase and decrease of transformer oil, isolating the interior of the transformer from the atmosphere, preventing oil deterioration and insulation from moisture and aging, thus enhancing operational reliability. The core uses high-quality cold-rolled silicon steel sheets, effectively improving the distribution of magnetic flux density within the core, reducing noise and losses. The coils are wound with high-strength enameled wire (or paper-wrapped wire), featuring a cylindrical (or disc) structure, with uniform winding distribution and a reasonable insulation structure, providing strong short-circuit resistance. All fasteners used in the oil tank are equipped with locking nuts to ensure they do not loosen during long-distance transportation. The surface of the oil tank is treated with phosphating and coated with three-proof paint (moisture-proof, mildew-proof, salt spray-proof), widely used in harsh environments such as metallurgy, mining, and petrochemicals.

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S(B)H25-30~2500/10 three-phase double-winding non-excited oil-immersed transformer (amorphous alloy)

Amorphous alloy power transformers are a new generation of environmentally friendly transformers. Their cores are made of amorphous alloy materials from the United States, and the oil tanks are manufactured by domestic corrugated oil tank automatic production lines, featuring a fully sealed, maintenance-free structure. They are low noise, low loss, safe, and energy-saving, and can be widely used in urban network projects, residential communities, as well as public places such as hospitals and schools.

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Contact us today for a detailed quotation.

Focus on the production of transformers, All kinds of box-type transformers and substations and high and low voltage electrical appliances

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Our advantage ADVANTAGE

Perfect quality and service system

Quick response


Feedback your news, inquiry, consultation and other related matters within 24 hours

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Technical Team


Experienced team to provide strong technical support, with reliable quality, perfect and thoughtful service and sincere cooperation with domestic and foreign customers

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Production control


A quality assurance system has been established in strict accordance with the ISO9001, followed up and confirmed step by step to ensure that the products are on schedule.

Production control

Testing equipment


Professional testing equipment to ensure product quality.

Testing equipment

Delivery on time


We implement OTD statistics, and the delivery rate is over 99%

Delivery on time

News NEWS

Moment to share with you our little bit

Warm congratulations to Jiangsu Longxiang Electric Manufacturing Co., Ltd. on going online! Thank you for your continued support and attention. We sincerely look forward to cooperating with you and working together to create a better tomorrow!

2024-12-26

How to maintain a transformer?

Transformer maintenance is to ensure the normal and safe operation of the transformer after inspection and repair. Power safety and stability require that transformers, whether in operation or out of service, be maintained once a year. Transformers that are about to be put into operation should be checked and maintained beforehand.

2024-12-26

Methods for Handling Transformer Failures

The guidelines for handling transformer tripping are as follows: when a transformer trips, stop and check according to the on-site procedures. Analyze the maintenance actions and the phenomena at the time of the incident, assess the situation, and proceed with handling. If both gas protection and differential protection trip simultaneously, do not restore power until the cause is clearly identified and the issue is resolved.

Nantong Longxiang Electrical Equipment Co., Ltd.

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