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Who We Are

Manufacturing Reliable Power Equipment for Stable Power Distribution

Jiangsu Subian Power Equipment Co., Ltd. was established in 2019 and operates a manufacturing base of approximately 30,000 square meters in Xuzhou, Jiangsu Province, China.
Subian designs and manufactures transformers, prefabricated substations, photovoltaic step-up substations and complete high and low voltage equipment. These products serve power grids, renewable energy projects, commercial buildings, industrial facilities, airports, tunnels and other infrastructure applications.
  • Transformer Manufacturing
  • Substation Solutions
  • Power Distribution Equipment
  • Project-Based Support
Company Strength

Built on Real Manufacturing Capability

Factory scale, production experience and engineering support for reliable power equipment supply.
  • 2019 Manufacturing Experience
    Manufacturing transformers, substations and power distribution equipment since 2019.
  • 30,000 m² Manufacturing Base
    Space for production, assembly, testing and delivery.
  • 350+ Employees
    Supporting engineering, production, quality and sales.
  • Up to 110 kV Solution Capability
    Equipment for medium and high voltage applications.
Manufacturing Base

Manufacturing Base & Factory Environment

A clean and organized production environment supporting transformer and electrical equipment manufacturing.
Subian Electric main production workshop
Main Production WorkshopProduction areas for transformer assembly, component handling and complete equipment manufacturing.
Subian Electric transformers production workshop
Finished Product AreaCompleted transformers are prepared for inspection, packing and delivery.
Subian Electric assembly production workshop
Testing AreaInspection equipment supports product verification before delivery.
Subian Electric drytype production workshop
Electrical Equipment AreaProduction space for dry-type transformers and related distribution equipment.
Production Process

Controlled Procedures From Preparation to Delivery

From production preparation to assembly, inspection and delivery, Subian follows controlled manufacturing procedures.
  1. 01Material Preparation
  2. 02Winding and Core Processing
  3. 03Assembly
  4. 04Electrical Equipment Integration
  5. 05Inspection and Testing
  6. 06Packing and Delivery
Subian Electric transformer material process
Material preparation and component organization
Subian Electric transformer winding process
Controlled winding and coil processing
Subian Electric transformer drying process
Vacuum drying and treatment equipment
Subian Electric transformer assembly process
Component assembly on the production floor
Subian Electric transformer testing process
Inspection and test center checks
Subian Electric transformer final process
Final assembly before delivery preparation
Subian transformer test center
Quality Control

Manufacturing & Quality Control

Controlled production and inspection procedures support reliable operation and project delivery. Product documents, inspection records and qualification materials can be provided according to project requirements.
  • Controlled ManufacturingProduction and assembly follow defined procedures to support consistent product quality.
  • Routine InspectionTransformers and electrical equipment are checked during manufacturing and before shipment.
  • Technical DocumentationProduct documents and inspection records are prepared according to project requirements.
  • Delivery CoordinationPacking, shipment and project communication are coordinated with the customer.
Custom Solutions

Custom Power Equipment Solutions

Subian supports customized transformers, substations and electrical equipment according to voltage level, capacity, application environment, installation conditions and project requirements.
  • Technical requirement review
  • Customized product configuration
  • Flexible OEM and ODM cooperation
  • Production and delivery coordination
Explore OEM / ODM
Technician operating transformer winding equipment
Customer Communication

Exhibitions & Customer Communication

Subian communicates with customers and project partners through industry exhibitions, factory visits and project discussions.
Subian Electric booth at an international exhibition
Industry Exhibition

Industry Exhibition Booth

Subian presents transformer and power equipment solutions at professional industry exhibitions.
Subian Electric talk at an international exhibition
Project Discussion

Customer Product Discussion

Face-to-face communication helps clarify product requirements, project conditions and technical details.
Subian Electric partners at an international exhibition
Project Partners

Partner Meeting

We provide project partners with product information, manufacturing details and quotation support.
International customer factory at Subian Electric
Factory Visit

Factory Visit Communication

Customers can visit the factory to understand the production environment and manufacturing process.
International customer meeting at Subian Electric
Technical Meeting

Technical Discussion

Our engineering and sales teams review voltage level, capacity, product configuration and application requirements.
Packing & Loading

Reliable Packing and Shipment Preparation

Finished transformers, substations and electrical equipment are packed and loaded according to product type, transportation conditions and project requirements.
Subian Electric transformer loading=
Protected PackingEquipment and accessories secured for transport.
Subian Electric transformer fleet and delivery
Coordinated DispatchDelivery schedules aligned with project plans.
Subian Electric transformer packed and delivery
Ready for ShipmentFinal checks completed before the equipment leaves.
Project Inquiry

Need More Information About Subian?

Tell us your product interest, voltage level, capacity and application requirements. Our team will provide product information, quotation support and project communication.