Finished Transformer Workshop
Real completed units staged in orderly rows, ready for final project inspection, FAT witnessing, and international dispatch.
Country Landing Page · Vietnam
22kV / 35kV Transformer & Kiosk Substation Supplier for Vietnam
China factory-direct 22kV/35kV low-loss distribution transformers, amorphous alloy core transformers, cast resin dry-type transformers, and compact kiosk substations for Vietnamese buyers seeking 500kVA, 1000kVA, 2000kVA, and 2500kVA power equipment for industrial zones, electronics factories, EVN grids, and solar farms.
Factory-direct quotes from $1,800 USD
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Factory Direct
100% FAT
22kV / 35kV EVN Standard
Voltage Class
50–3150kVA
Core Range
50Hz
Frequency
IEC 60076
Design Reference
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).
Vietnam Market Focus
Factory-Direct Oil-Immersed Distribution Supply
XinHuan manufactures 22kV and 35kV power distribution equipment engineered for Vietnam's rapidly expanding industrial sector, compliant with EVN (Vietnam Electricity) guidelines and TCVN 8525 high-efficiency standards. Our product line includes 22kV oil-immersed distribution transformers, amorphous alloy core low-loss transformers, cast resin dry-type transformers for electronics plants, and Trạm Biến Áp Kiosk (compact package substations).
We build 100kVA to 2500kVA transformers and substation equipment at our Hefei factory, offering short 4-to-6 week production cycles and direct ocean shipment to Haiphong port in the north or Cat Lai (Ho Chi Minh City) in the south.
Product Specification Table
| Product | Oil-Immersed Distribution Transformer |
|---|---|
| Voltage | 22kV / 35kV EVN Standard |
| Capacity | 50kVA–2500kVA |
| Frequency | 50Hz |
| Phase | Three phase |
| Cooling | ONAN (Oil Natural Air Natural) |
| Insulation | Class A Mineral Oil |
| Enclosure | Hermetically Sealed Corrugated Tank |
| Standard | IEC 60076 / ANSI C57.12.00 |
| Vector group | Dyn11 / Yyn0 / customized |
| Tap changer | Off-circuit tap changer (±2×2.5%) |
| Winding | Copper / aluminum |
| LV voltage | 0.4kV / 0.415kV / customized |
| Installation | Outdoor pad-mount / pole-mount / indoor |
Choose a Starting Model
Recommended Transformer Configurations Vietnam
These are real XinHuan product records selected for the 22kV / 35kV, 50kVA to 3150kVA scope for Vietnam projects. Open a model to compare its build, then request an exact project configuration.
Oil-Immersed Transformers · Distribution
500 kVA 11kV S13 Three-Phase Oil-Immersed Distribution Transformer
500kVA 22kV Low-Loss Distribution Transformer (EVN / TCVN Fit)
High-efficiency step-down oil transformer engineered for industrial zone manufacturing plants in Vietnam.
This 500 kVA oil-immersed distribution transformer is designed for dependable power distribution in utility, industrial, and commercial networks....
500 kVA
Medium Voltage
Dry-Type Transformers · Special Voltage Dry-Type
1000 kVA 22kV Three-Phase Cast Resin Dry Transformer
1000kVA 22kV Cast Resin Dry-Type Transformer (EVN Grid Fit)
Flame-retardant, moisture-proof dry-type transformer ideal for electronics cleanrooms, high-rises, and industrial factories.
This 1000 kva three-phase cast resin dry transformer is designed for indoor power distribution where safety, low maintenance, and practical...
1000 kVA
Medium Voltage
Compact Substations · Smart & Custom Housing
1000 kVA Dual-Voltage Secondary Compact Substation
Trạm Biến Áp Kiosk 22kV (Compact Package Substation)
Complete outdoor kiosk substation integrating 22kV Ring Main Unit (RMU), distribution transformer, and LV switchboard.
This 1000 kva dual-voltage secondary compact substation is an integrated package solution combining medium-voltage switching, transformer...
1000 kVA
Medium Voltage
Local Market Notes
What Buyers Usually Care About in Vietnam
22kV is the standard medium-voltage distribution level across industrial parks and EVN power networks in Vietnam.
Manufacturing plants and electronics factories require strict voltage stability, low temperature rise, and low-loss transformer operation.
Complete export documentation provided for seamless customs clearance at Haiphong, Cat Lai, or Da Nang ports.
Procurement Notes
Information That Speeds Up Approval
Specify whether 22kV or 35kV primary voltage rating is required, and whether amorphous alloy core or silicon steel core is preferred.
Quote Checklist
What to Send First
kVA capacity (500kVA, 1000kVA, 1600kVA, 2500kVA)
Primary voltage (22kV or 35kV) and secondary voltage (0.4kV / 400V)
Equipment type: Oil-Immersed, Amorphous Core, Cast Resin Dry-Type, or Kiosk Substation
Destination port (Haiphong / Cat Lai / Da Nang)
Engineering Submittal & Layout Workbench
Substation Room Fit & Multi-Equipment CAD Footprints
Select your equipment type and capacity to inspect verified GA engineering CAD line drawings, Single Line Diagrams (SLD), dimensions (L × W × H), roller gauge, and submittal clearances before procurement.
Available Ratings:
11kV / 33kV Dual Voltage
IEC 60076 / IEEE Compliant
100% Routine Factory Tested
Export Nitrogen / Seaworthy Pack
1000 kVA Technical Dimensions
IEC 60076-1International utility & industrial submittal specifications
| Overall Length (L) | 1,750 mm |
|---|---|
| Overall Width (W) | 1,120 mm |
| Overall Height (H) | 1,780 mm |
| Roller Wheel Track Gauge (D) | 820 mm |
| Total Equipment Net Weight | 3,820 kg |
| Min Substation Clearance | 1,000 mm surrounding |
| Rated Voltage / System | 11 kV / 33 kV Dual Primary |
| Applicable Standard | IEC 60076-1 / IEEE C57 |
Download Technical Data Sheet (PDF)
Request Factory Engineering Submittal Package
Full CAD DXF/DWG vector footprints, 3D STEP models, and custom project submittals provided within 2 hours upon request.
Reference Visuals
Export Photos Buyers Can Compare Against
Export Quality
Verified Factory Quality
High-reliability distribution transformers built for export to Southeast Asian industrial markets.
Tender & Approval Support
Common Information Procurement Teams Ask For
Quotation-stage technical data sheet and CAD outline drawing
IEC 60076 and TCVN routine test report upon order completion
Export packing, bill of lading, and ocean shipping documentation
Tell us about any drawing, packing, or accessory requirements in the first RFQ. Detailed design drawings and final approval documents are scoped after commercial terms and project requirements are agreed.
Applications
Typical Project Applications in Vietnam
Industrial zone and electronics manufacturing plant power supply (Bac Ninh, Thai Nguyen, Binh Duong, Dong Nai)
EVN distribution grid integration and commercial power networks
Cast resin dry-type transformers for high-rise commercial buildings & cleanroom electronics factories
Trạm Biến Áp Kiosk 22kV (Compact Package Substations) for industrial estates & urban infrastructure
Solar power plant step-up transformers (22kV/35kV, 1250kVA–3150kVA)
EPC contractor tender supply from direct China OEM manufacturer
Delivery & Ports
Shipment Support for Vietnam
Direct ocean shipment available EXW, FOB, or CIF to Haiphong Port in northern Vietnam, Cat Lai Port (Ho Chi Minh City) in the south, or Da Nang Port.
Vietnam buyers should state target voltage (22kV or 35kV), kVA capacity, core technology (silicon steel or amorphous alloy), transformer type (oil / dry / kiosk substation), and required protection accessories.
Why XinHuan
Why Buyers Choose XinHuan for Vietnam sourcing
High-efficiency 22kV and 35kV transformer designs compliant with EVN technical criteria and TCVN 8525 loss standards
Complete product range: Low-Loss Oil-Immersed, Amorphous Alloy Core, Cast Resin Dry-Type, and Trạm Biến Áp Kiosk Substations
Rapid 4-to-6 week production cycles to support fast-track industrial factory construction in Vietnamese industrial zones
ISO 9001 certified manufacturing with rigorous factory acceptance testing and complete routine test reports provided with every shipment
Project Fit
11kV / 33kV Distribution Range
Designed for Vietnamese EPC contractors, factory owners, industrial zone developers, solar project developers, and electrical importers seeking high-performance China transformer supply.
Standard page scope: oil-immersed distribution transformers, 11kV / 33kV, 50kVA–1000kVA, three phase, 50Hz, ONAN cooling, copper/aluminum winding options, Dyn11 / Yyn0 / customized vector group, off-circuit tap changer, and outdoor or indoor installation.
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.
Engineering Quality Assurance
Technical Standards & Certification Compliance
All XinHuan transformers undergo 100% factory routine testing, dielectric voltage withstand tests, and partial discharge inspection before dispatch.
IEC 60076 / 60076-11
ISO 9001:2015 Certified
KEMA / CNAS Type Tested
ANSI / IEEE C57
Engineering Submittal Package
Need CAD outline packs or type test reports for consultant approval in Vietnam?
Request Technical CAD & Spec PackSpecialized Substation & Power
Featured Technical Engineering & Product Guides
Explore specialized XinHuan power equipment solutions for emergency substations, SF6 gas-insulated distribution, and renewable BESS energy storage.
Emergency & Rapid Deployment
Substation Spec
Up to 35kV
Mobile Transformer Substation Guide
Trailer and skid-mounted mobile substations with integrated HV/LV switchgear, protection panels, and fast-coupling terminals for emergency grid restoration and remote mining.
Compact Ring Main Unit
Switchgear Rating
12kV / 630A
YRM6-12 SF6 Gas-Insulated Switchgear
Hermetically sealed 12kV SF6 gas-insulated compact switchgear and Ring Main Unit (RMU) for urban distribution vaults, indoor substations, and harsh environments.
Renewable Energy Storage
Inverter Interface
1500V DC / Split-LV
BESS Battery Energy Storage Transformer
Specialized inverter-duty step-up transformers with K-factor harmonic isolation and split low-voltage windings for utility-scale solar PV and BESS battery storage plants.
Related Internal Links
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Vietnam RFQ CTA
Send Your Transformer Requirement
Submit your required kVA rating, 22kV/35kV voltage ratio, equipment type, and target port for a competitive China factory quote.
FAQ
Frequently Asked Questions · Vietnam
Do you supply 11kV and 33kV transformers for Vietnam?
Yes. XinHuan manufactures 22kV and 35kV oil-immersed transformers, amorphous core transformers, cast resin dry-type transformers, and kiosk substations for Vietnam projects.
What capacity range is available?
We supply 100kVA to 2500kVA distribution transformers built to EVN and IEC 60076 specifications.
Can the transformer be designed according to IEC 60076?
Yes. We produce 22kV high-efficiency amorphous alloy core transformers that significantly reduce no-load power losses to comply with TCVN energy efficiency standards.
Can you quote FOB or CIF for Vietnam?
Yes. We supply 22kV Trạm Biến Áp Kiosk (compact package substations) integrating 22kV RMU switchgear, distribution transformer, and low-voltage distribution board.
What information is needed for a fast quotation?
We ship directly via ocean freight to Haiphong, Cat Lai (Ho Chi Minh City), or Da Nang ports.
Can XinHuan support EPC contractors, utilities, and industrial projects?
Provide your required kVA, primary/secondary voltage, quantity, and destination port to receive an immediate quotation.
Direct Contact & Instant RFQ
Get Instant Factory Quotation
Contact us directly via WhatsApp, email, or fill out the quick RFQ form below for a fast response from our engineering team.
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