Finished Transformer Workshop
Real completed units staged in orderly rows, ready for final project inspection, FAT witnessing, and international dispatch.
Official Corporate Website • Hefei Xinhuan Transformer Co., Ltd. (Est. 2007)
Reliable Power Equipment
for Global Projects
Official global website of XinHuan Transformer (Hefei Xinhuan Transformer Co., Ltd. — xinhuan.co). We engineer and manufacture oil-immersed transformers, cast resin dry-type transformers, prefabricated substations, and MV/LV switchgear for global utility, EPC, and industrial projects.
20+ Years Manufacturing
IEC / GB Standards
24 h Quote Response
Factory Facility & Verification
Real Completed Transformers & Factory Workshop
Direct visual proof of XinHuan's manufacturing capability in Hefei, China. Unedited photographs showing our finished distribution transformer workshop, marked finished products area, cast resin dry-type stock, and export container loading.
Dry-Type Transformer Bay
F/H-class cast resin coils and harmonic mitigation dry-type distribution transformers in stock.
Finished Products Area
Clear production-stage segregation and routine quality verification for procurement teams prior to container packaging.
Active Assembly Floor
Precision silicon steel core stacking, copper coil winding assembly, and tank fabrication.
Vacuum Autoclave Drying
Heavy-duty vacuum autoclave drying process ensuring zero residual moisture in coil insulation.
Export Preparation & Shipping
Direct container packing and heavy-duty ocean freight loading outside our Hefei facility.
Quality & Compliance
Certified B2B Manufacturing & Laboratory Performance
Every transformer, compact substation, and switchgear unit is engineered under audited ISO quality management systems and type-tested according to IEC 60076 and ANSI C57 international standards.
IAF / CNAS Accredited
ISO 9001:2015 Quality System
Certified Quality Management System covering design, coil winding, vacuum drying, oil filling, and routine testing of 10kV–35kV distribution transformers.
Environmental System
ISO 14001:2015 Environmental
Environmental Management System certifying low-loss eco-designed core assemblies, zero PCB insulation oil, and environmentally safe production controls.
Occupational Health
ISO 45001:2018 Safety System
Occupational Health and Safety Management System ensuring safety containment in high-voltage testing bays and factory assembly protocols.
CNAS Lab Type Tests
IEC 60076 & GB Type Tests
Complete routine and type test records (temperature rise, impulse voltage withstand, short-circuit withstand) conducted at CNAS-accredited national research institutes.
SGS Audited Supplier
SGS Verified Manufacturer Audit
On-site factory audit certificate by SGS / Made-in-China, verifying manufacturing premises, export capacity, assembly lines, and legal qualification.
≥180 Units/Yr Export
International Delivery Certificate
Verified annual supply performance and delivery certificate for overseas power grid EPC and industrial infrastructure projects (Mozambique, Nigeria, Kenya, SEA).
Factory & Testing
See XinHuan in Action
Factory tours, transformer testing, and production walkthroughs straight from our Hefei manufacturing base.
Company Tour
Corporate & Factory Tour
Hefei manufacturing base, automated workshops, and high-voltage testing laboratory.
Oil-Immersed
Oil Transformer Routine Testing
100% IEC 60076 voltage ratio, winding resistance, and dielectric routine testing.
Dry-Type
Cast Resin Dry-Type Quality
Epoxy resin vacuum casting, partial discharge testing, and temperature monitoring.
Pad-Mounted Substation
Pad-Mounted Substation
Compact outdoor substation assembly with loop-feed and dead-front safety design.
Production Line
Transformer Production Floor
Automated coil winding, precision core stacking, and vacuum drying chambers.
Switchgear
High-Voltage Switchgear
Vacuum circuit breakers, copper busbar routing, and relay protection cabinets.
Compact Substation
European Compact Substation
Prefabricated kiosk substation panel wiring, RMU integration, and LV distribution.
Dry-Type Assembly
Dry-Type Production Line
Copper foil winding, vacuum resin casting molds, and core-coil assembly.
Production Archives & Virtual Tours:
Watch routine testing procedures, FAT walkthroughs & workshops.
2007
Year Founded
20,000 m²
Factory Area
7,000+
Units / Year
50+
Export Countries
Product Categories
Core Equipment Portfolio for Industrial & Utility Projects
Structured for procurement teams that need clear specs, lead time visibility, and consistent quality.
Oil-Immersed Transformers
Distribution and power applications with stable thermal performance for demanding industrial conditions.
Dry-Type Transformers
Low-maintenance indoor solutions suited for commercial buildings, plants, and utility facilities.
Compact Substations
Integrated transformer and control units to reduce site work and shorten commissioning schedules.
View range
Switchgear & Control
Reliable medium-voltage distribution components with practical configurations for project requirements.
View rangeIndustries & Global Grid Engineering
Power Equipment for Real Projects
Regional Power Grid Engineering
Regional Power Grid Solutions & Standards
Why Choose XinHuan
Built for Procurement Confidence
Specification Clarity
Nameplate data, standards references, and configuration details organized for faster technical approval.
Stable Production
Standardized assembly and quality checkpoints to maintain consistency across batch and repeat orders.
RFQ specification checklist →Project Documentation
Support for export-required paperwork including test reports, drawings, and packing documentation.
Responsive Quote Handling
Technical-sales coordination to align scope, lead time, and commercial terms early in the process.
Sourcing from China guide →Factory Capability
Manufacturing Process Aligned with Delivery Reliability
From winding and core assembly to final testing and packing, each stage is managed for dependable project execution.
- Transformer production lines for oil-immersed and dry-type units
- Routine electrical testing before shipment with report records
- Engineering support for project-specific configuration and accessories
- Export packing workflow designed for sea and inland transport
Certifications & Trust
Credibility Backed by Testing and Compliance
Quality Management
Quality system implementation with documented process control and traceable manufacturing steps.
Product Compliance
Product verification and routine test results available for project technical review and acceptance.
Export Experience
Packaging, labeling, and document support prepared for international delivery requirements.
Featured Products
Selected from the Live Catalog
Oil-Immersed Transformers
100 kVA 33kV Three-Phase Oil-Immersed Distribution Transformer
This 100 kVA oil-immersed distribution transformer is designed for reliable power distribution in rural utility networks,...
View Details
Switchgear & Control
High-Altitude Optimized Three-Phase Low Voltage Distribution Panel
This high-altitude optimized three-phase low voltage distribution panel is intended for low-voltage power distribution, feeder...
View Details
Oil-Immersed Transformers
400 kVA 33kV Three-Phase Oil-Immersed Distribution Transformer
This 400 kVA oil-immersed distribution transformer is designed for reliable power distribution in rural utility networks,...
View DetailsEngineering Tools
Size & Select the Right Transformer
Free tools to estimate capacity and choose transformer type — results link directly to our quote form.
kVA Calculator
Enter voltage, current, and power factor to get the recommended standard transformer size for single-phase or three-phase loads.
Use CalculatorData Center Sizing
Calculate required kVA capacity based on IT rack kW, UPS efficiency, CRAC cooling load, 2N redundancy, and K-13 derating.
Size Data Center kVAPrice Estimator
Estimate indicative FOB export price ranges by transformer type, capacity, voltage class, and quantity.
Estimate PriceTransformer Type Selector
Answer four questions about your site — location, fire safety, maintenance, and environment — and get a clear dry-type vs. oil-immersed recommendation.
Use SelectorLoss Calculator
Compare no-load loss, load loss, efficiency curve, annual kWh loss, and energy cost across load levels.
Calculate LossesRequest a Quote
Send Your Specs.
Get a Practical Quote.
Share voltage level, capacity, quantity, and destination. We respond with configuration and lead-time guidance within 24 hours.