Illustration of a large outdoor substation with a main power transformer in daylight

SUBIA · Power Equipment Manufacturer

Transformers & Power Distribution Equipment

SUBIA is a power equipment manufacturer based in Yueqing, China. We supply transformers, prefabricated substations, MV & LV switchgear, and high-voltage apparatus, with configurations developed around your project requirements.

  • Transformers
  • Prefabricated Substations
  • MV & LV Switchgear
  • Medium Voltage Components
Explore OEM & ODMSend Project Requirements

Product Range

Select a product category

Transformers

  • Oil-immersed, dry-type and power transformers
  • Pad-mounted and underground transformers
  • Isolation, single-phase and dust-cover transformers
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Oil-immersed distribution transformer

Substations & Prefabricated Cabin

  • Prefabricated Substation (Pad-mounted Substation)
  • PV Step-up Substation
Explore substations
YB series prefabricated substation enclosure

Applications

Applications for power distribution projects.

Explore equipment for utility networks, industrial facilities, infrastructure and renewable energy projects. Choose a sector to review equipment and site requirements.

Power distribution equipment for utility and secondary distributionUtility & Secondary DistributionFeeder and substation upgrades, transformer replacement and staged network expansion.View application details Power distribution equipment for industrial facilitiesIndustrial FacilitiesPower for electrified mines, semiconductor fabs and battery cell factories.View application details Power distribution equipment for infrastructure and public facilitiesInfrastructure & Public FacilitiesPower for EV charging hubs, data centers, port berths and water treatment.View application details Power distribution equipment for renewable and distributed energyRenewable & Distributed EnergyGrid-scale batteries, solar-plus-storage plants and PV collector systems.View application details
Explore All Applications
About Subia Power

Power equipment manufacturing in Yueqing.

Based in Yueqing, Wenzhou, SUBIA combines engineering design, production and sales. Our team develops equipment to customer-supplied ratings, drawings and site requirements.

7,000 m²Site area
≈100Employees
110 kVMaximum transformer voltage
CustomBuilt to project drawings
About Subia Power
Power transformer and medium-voltage switchgear manufacturing environment
Project capability

Equipment configuration and delivery support.

We review the technical and delivery requirements for the equipment specified in your project.

Send Project RequirementsExplore OEM & ODM
Configuration and interfacesReview electrical ratings, installation conditions and connections to the equipment on site.
Drawings and technical documentsConfirm the drawings, product data and inspection documents required for your order.
Packing and delivery requirementsReview packing requirements, shipment accessories and delivery details before dispatch.
Technical selection workflow

Start with your project requirements.

Send Project Requirements
  1. 01 / Define the requirementShare voltage class, capacity, site conditions and the intended distribution duty.
  2. 02 / Select the equipmentReview equipment options for your ratings, installation conditions and application.
  3. 03 / Confirm the configurationAlign parameters, drawings, interfaces and delivery requirements for technical review.
Inspection & test documents

Model-specific test documents.

View document details on the About SUBIA page, including the identified model, ratings and test scope.

Power transformer test documents

SZ22-31500/35/10.5: group documents include CB Test Certificate HU-006303 and conformity verification CN266T87 001 for the identified model.

View document details

Dry-type transformer loss verification

SCB18-2000/10-NX1: verification CN26I11C 001 covers the losses of the tested specimen identified in the document.

View document details

These group documents apply only to the identified models and test scope. They do not certify every SUBIA product or configuration.

International supply & support

From China.For projects worldwide.

Coordinate destination requirements, export packing and shipping documents for your equipment order.

From China to projects worldwide Schematic export and support connections from China to North America, South America, Europe, Africa, Asia and Oceania. Regional markers illustrate areas of support, not local offices or specific shipping routes.
China · Subia PowerGlobal export & technical support
  • North America
  • South America
  • Europe
  • Africa
  • Asia
  • Oceania

Destination requirements

Confirm the delivery location and any destination-specific packing or documentation requirements.

Export packing and documents

Agree the packing details and shipping documents required for dispatch.

Ongoing communication

Review order progress and coordinate dispatch details with your project team.

Tell us your project location and delivery requirements.

Send Project Requirements
Project Highlights

Transformer projects.

Explore transformer configurations for utility networks, mining operations and solar power projects.

Transformer equipment for a distribution project in Venezuela
Venezuela · Utility distribution

Transformers for a distribution network

Equipment
Pad-mounted and submersible transformers
Supply scope
Direct export for utility distribution.
Equipment for a 33 kV mining transformer shipment to Zimbabwe
Zimbabwe · Mining

33 kV main transformer for a mine

Equipment
Main transformer and shipment accessories
Supply scope
ODM supply with heavy-equipment loading and transport packing.
Pad-mounted transformer project for a solar power station in Ecuador
Ecuador · Solar power

Pad-mounted transformers for a solar station

Equipment
Pad-mounted transformers
Supply scope
Direct export following a customer factory inspection.

Transformers for a Distribution Network in Venezuela

Transformer equipment for a distribution project in Venezuela

Pad-mounted and submersible transformers were supplied for a utility distribution project in Venezuela.

Location
Venezuela
Application
Utility distribution
Equipment
Pad-mounted and submersible transformers
Supply scope
Direct export for utility distribution.

33 kV Main Transformer for a Mine in Zimbabwe

Equipment for a 33 kV mining transformer shipment to Zimbabwe

This mining project covered a 33 kV main transformer and shipment accessories. The ODM supply included heavy-equipment loading and transport packing.

Location
Zimbabwe
Application
Mining
Equipment
33 kV main transformer and shipment accessories
Supply scope
ODM supply, including heavy-equipment loading and transport packing.

Pad-Mounted Transformers for a Solar Station in Ecuador

Pad-mounted transformer project for a solar power station in Ecuador

Pad-mounted transformers were supplied for a solar power station in Ecuador. Direct export followed a customer factory inspection.

Location
Ecuador
Application
Solar power
Equipment
Pad-mounted transformers
Supply scope
Direct export following a customer factory inspection.

Technical Resources

Latest technical articles.

Selection notes, product guidance and project-focused discussions for power-distribution equipment.

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