Transformers Electrical Component Manufacturers – Core & Component Supply
Subian Electric manufactures transformers and the electrical components that complete them – tap changers, bushings, conservators and control accessories – at our 50,000-square-metre factory in Xuzhou, Jiangsu, China. Our 350+ employees have served utilities in 50+ countries since 2019.
As a factory-direct manufacturer and supplier, we provide complete transformers and component sets with factory pricing and full documentation.
Send your transformer or component requirements. Our export team will respond with a quotation.
Since 2019 · 50,000m² · 350+ Staff
Transformers & Electrical Components We Manufacture
Distribution and power transformers with their full component sets – tap changers, bushings, conservators, indicators and control accessories – factory-tested.
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10kV Dry-Type Transformer-SCBH series Amorphous Alloy
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20-35KV Dry-Type Transformer
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20-35KV SCB Series Epoxy Resin Dry-Type Transformer
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20KV Oil-immersed Distribution Transformer
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35KV Oil-immersed Power Transformer
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6-10KV Oil-Immersed Power Distribution Transformer
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Current Transformer –10KV Indoor High Voltage
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Current Transformer–LMZK Wound Current Transformer300/5a
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Current Transformer–LSY-10 transformer Integrated CT
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current transformer–LXK high voltage zero sequence
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dry type distribution transformer-6-10 KV SCB series epoxy resin cast
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Electrical Transformers–JDZ – 10 Power Voltage
What Are the Electrical Components of a Transformer?
A transformer is more than core and windings – it needs tap changers, bushings, conservators, temperature indicators, valves and control accessories to operate safely and be maintained easily.
Sourcing the transformer and its components from one manufacturer ensures compatible fittings, consistent documentation and a single point of responsibility.
- Complete transformer – core, windings and full component set.
- Compatible fittings – components matched to the design.
- Factory tested – complete unit tested with accessories.
- 50,000m² factory – in-house winding, assembly and testing.
- 350+ employees – engineering, quality and export teams.
- OEM / ODM & wholesale – custom branding, packaging and volume supply.
Main Types of Transformer Electrical Components
Key components we fit and supply include:
Tap changers
Off-circuit and on-load tap changers.
Bushings & terminals
HV/LV bushings and terminal fittings.
Conservator & accessories
Oil conservators, indicators, valves and control equipment.
Transformer Component Specifications
| Parameter | Specification |
|---|---|
| Transformers | 30 kVA – 63000 kVA |
| Tap changers | DETC / OLTC |
| Bushings | Per voltage class |
| Conservator | With indicators and valves |
| Standard | IEC 60076 |
Component Integration at Our 50,000 m² Factory
From core winding to component fitting and complete testing – every transformer is built with its component set at our Xuzhou facility.
Production Workshop
Controlled winding, core processing and vacuum drying with quality checkpoints between every stage, so quality is built in from the start.
Quality & Testing Center
Routine inspection on every unit before delivery, with type test reports supporting project approval and market certification.
Materials & Components
Core materials, windings and components are checked against the approved bill of materials on every production run.
OEM / ODM / Agency Supply
Custom branding, packaging and configurations for global partners – from nameplate to complete product design – supported by a dedicated export team.
Transformer Component Factory Price – Request a Quote
OEM/ODM & Wholesale Component Supply
Distributors can brand or resell transformers with custom nameplates and documentation.
OEM / ODM
Factory-Direct
Custom branding, packaging and product variants built on our standard platforms – from a nameplate to full product design.
Custom nameplate · Custom packaging · Full test docs
Wholesale Supply
Volume Pricing
Factory pricing with flexible container quantities, mixed models per container and reliable global shipping for volume buyers and importers.
Container MOQ · Mixed models · Global shipping
Distributor Support
Channel Partners
Dedicated account management, technical documentation and priority production for distributors and project clients.
Account manager · Sales material · Priority lead times
Complete Transformer vs Component-Only Supply
Buying the transformer and fitting components separately risks compatibility issues and split responsibility. A complete unit with matched components is tested as one system.
We support both models – complete units for most buyers, component sets for repair and maintenance programmes.
Choosing a Transformer Component Manufacturer
Verify component compatibility, test records and the ability to supply complete units – the markers of a full-scope manufacturer.
Subian Electric offers a 50,000m² factory, 350+ employees, ISO9001, CE and UL certification and export to 50+ countries.
Send your transformer or component requirements – we will respond with a quotation.
Certifications & Quality Assurance
Our transformers and components are produced under ISO9001, ISO14001 and ISO45001 management systems, with CE and UL certification and type test reports.
Product Certifications
Transformer Electrical Component FAQ
Common questions about transformers and their electrical components.
What components make up a transformer?
Can I buy components separately?
Do you supply complete transformers?
What is the function of a conservator?
What testing is done?
What is the minimum order quantity?
Contact Subian
Need the Right Specification?
Tell us your target market, product type, quantity and technical requirements. Our team will help you identify a suitable configuration for your project.