SOURCING GUIDE
A practical guide to sourcing transformers
Define your electrical requirements, compare scope and request supporting documents.
Read the sourcing guide →MANUFACTURER DIRECTORY
Find the right manufacturing partner.
Explore reported capabilities, documented products and the evidence behind them.
TRANSFORMER CATEGORIES
Browse all transformers →Oil-immersed
Transformers
For distribution networks and industrial power systems.
View productsDry-type
Transformers
Explore cast-resin and other dry-type transformer suppliers.
View productsPower
Transformers
Explore manufacturers of power transmission equipment.
View productsIllustrative category images from the approved design. Supplier product documentation is reviewed separately.
EXPLORE MANUFACTURERS 20 results
View your shortlist →Swipe the table to view product scope and profiles →
| ShortlistSave | Manufacturer | Location | Reported product scope | Rated kVA · No-load loss (kW) | Evidence ⓘ | Profile |
|---|---|---|---|---|---|---|
 Shanghai Huarun Special Transformer | ShanghaiChina | Isolation, auto and medical transformers | — kVA— kW no-loadSeries data available; exact losses pendingView model data → | Not independently checked1 source-reviewed product recordsReview evidence → | View profile | |
| HYOSUNGLogo pending confirmationNantong Hyosung Transformer | Nantong, JiangsuChina | Extra-high-voltage power transformers | — kVA— kW no-loadModel data pendingView model data → | Not independently checkedType tests · Loss data · MaterialsReview evidence → | View profile | |
| WOLONGLogo pending confirmationWolong Beijing Huatai Transformer | BeijingChina | Power, railway and traction transformers | — kVA— kW no-loadModel data pendingView model data → | Not independently checkedType tests · Loss data · MaterialsReview evidence → | View profile | |
 Shenyang Shenxi Transformer Manufacturing | Shenyang, LiaoningChina | Oil-immersed power, dry-type and special-purpose transformers | — kVA— kW no-loadModel data pendingView model data → | Not independently checkedType tests · Loss data · MaterialsReview evidence → | View profile |
Initial research entries · How to read evidence & losses
Evidence & loss comparison — what is checked?
“Not independently checked” means model-specific test reports, loss values and material traceability have not been independently validated. A company logo or reported product scope is not certification.
A dash means no reviewed, source-backed capacity and no-load loss pair is available. Ranges summarize documented models, not every possible capacity/loss combination. Open model data and compare the same rating, voltage, frequency and test conditions before shortlisting.
BROWSE BY APPLICATION
Utility & Grid›Industrial›Commercial & Infrastructure›Renewable Energy›Rail & Transportation›Data Centers›FREQUENTLY ASKED QUESTIONS
How do I choose a transformer manufacturer?
Start with transformer type, required capacity, voltage ratio and installation conditions. Then request model-specific evidence.
What should I include in an RFQ?
Include capacity, primary and secondary voltage, frequency, installation environment, delivery location and requested test reports.
Can I shortlist multiple manufacturers?
Yes. Select manufacturers in the directory and open your shortlist to compare their reported scope.
Are these manufacturers independently verified?
These are initial research entries. Product scope is sourced from available company information; certifications and technical claims have not been independently checked.
PREPARE YOUR PROJECT
Request for Quotation (RFQ)
Bring your shortlist and project requirements together.
Prepare an RFQ