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Electric Transformer Source Factories | Wholesale Power Transformer Platform

Discover verified electric transformer source factories on our vertical platform! We gather top-tier manufacturers offering ISO/IEC/ANSI certified power transformers, custom specifications, low energy loss, OEM/ODM support, and global shipping. Skip middlemen—source directly from reliable factories for power transmission & distribution projects worldwide.
45-12000 kVA Three-phase pad-mounted transformers
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45-12000 kVA Three-phase pad-mounted transformers
Negotiable
Explore 45 - 12000 kVA three-phase pad-mounted transformers. Reliable, efficient, and ideal for various power distribution needs
Vziman
14yrs 100-500 10000+m² US$+
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15kV Three-phase Oil-immersed Power Distribution Transformer
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15kV Three-phase Oil-immersed Power Distribution Transformer
Negotiable
15kV Three-phase Oil-immersed Power Distribution Transformer
Vziman
14yrs 100-500 10000+m² US$+
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33-38kV Dry-type Distribution Transformer 800kVA/1000kVA/1250kVA/1500kVA
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33-38kV Dry-type Distribution Transformer 800kVA/1000kVA/1250kVA/1500kVA
Negotiable
33-38kV Dry-type Distribution Transformer 800kVA/1000kVA/1250kVA/1500kVA
Vziman
14yrs 100-500 10000+m² US$+
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Automatic Tap - Changing Voltage Regulator – 7.62 kV 11kV 13.8 kV 14.4 kV 19.92 kV 34.5 kV, IEEE compliant for Power Industry
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Automatic Tap - Changing Voltage Regulator – 7.62 kV 11kV 13.8 kV 14.4 kV 19.92 kV 34.5 kV, IEEE compliant for Power Industry
Negotiable
Automatic Tap - Changing Voltage RegulatorContinuous / Step voltage regulation Single-phase overhead voltage regulator 7.62 kV 13.8 kV 14.4 kV 19.92 kV 34.5 kVsingle phase – IEEE C57.12 for Power Industry
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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13.2kV 13.8kV 14.4kV 19.92kV IEC Standard voltage regulator control compliant for Industrial Manufacturing Industry
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13.2kV 13.8kV 14.4kV 19.92kV IEC Standard voltage regulator control compliant for Industrial Manufacturing Industry
Negotiable
Pole - Mounted Single - phase Step Voltage Regulator Precise output voltage regulation voltage regulator control 13.2kV 13.8kV 14.4kV 19.92kV – direct supply – IEEE C57.12 for Industrial Manufacturing Industry
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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13.2kV 14.4kV 19.92 kV 33kV 34.5 kV Single Phase Pole Mounted voltage regulator control for Precise output voltage regulation
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13.2kV 14.4kV 19.92 kV 33kV 34.5 kV Single Phase Pole Mounted voltage regulator control for Precise output voltage regulation
Negotiable
Pole - Mounted Single - phase Step Voltage RegulatorPrecise output voltage regulation voltage regulator control 7.62 kV 13.8 kV 14.4 kV 19.92 kV 34.5 kVsingle phase – IEC 60038、IEC 60076 for Power Industry
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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Customization 50MVA 161kV 170kV 220kV transformer for power transmission
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Customization 50MVA 161kV 170kV 220kV transformer for power transmission
Negotiable
161kV 170kV 220kV Transmission Transformer: Facilitates medium-to-large scale power transfer, connects grids efficiently. Low-loss, reliable, key for regional energy distribution and substation networks.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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Customization 110kV 1200MVA/500kV transformer for power transmission
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Customization 110kV 1200MVA/500kV transformer for power transmission
Negotiable
110kV 500kV Transmission Transformer: Enables large-capacity, mid-to-long distance power transfer. Efficient, reliable, critical for regional grid interconnection and stable energy distribution.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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33MVA138kV transformer for electrical transmission
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33MVA138kV transformer for electrical transmission
Negotiable
110kV Transmission Transformer: Efficiently steps up/down power for mid-distance grids. Reliable, low-loss, ideal for regional energy distribution and substation integration.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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1000kV/1000MVA transformer for power transmission
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1000kV/1000MVA transformer for power transmission
Negotiable
1000kV Transmission Transformer: Enables ultra-high voltage power transfer, minimizes losses over long distances. Efficient, reliable for large-scale grid transmission.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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