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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.
11kV 15kV 20kV 22kV Three-Phase Oil-Immersed Earthing/Grounding Transformer China Manufacturer
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11kV 15kV 20kV 22kV Three-Phase Oil-Immersed Earthing/Grounding Transformer China Manufacturer
Negotiable
China manufacturer: 11kV/15kV/20kV/22kV three-phase oil-immersed earthing transformers. IEC/IEEE compliant, ZN winding, stable MV grid grounding, custom specs available.
Rockwell
13yrs 60000+m² US$+
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Customization 66kV 88kV 110kV 132kV Three Phase Z-type winding Oil-Immersed Earthing Transformer source manufacturer
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Customization 66kV 88kV 110kV 132kV Three Phase Z-type winding Oil-Immersed Earthing Transformer source manufacturer
Negotiable
Rockwill Customization 66kV 88kV 110kV 132kV Three Phase Z-type winding Oil-Immersed Earthing Transformer source manufacturer provides neutral grounding for power systems compliance with IEC standards.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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Customization Three - phase 11kV 20kV 22kV 30kV grounding/earthing transformers Original Manufacturer
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Customization Three - phase 11kV 20kV 22kV 30kV grounding/earthing transformers Original Manufacturer
Negotiable
Customization Three-phase 11kV 20kV 22kV 30kV grounding transformers for power systems, reliable earthing solutions, high-quality electrical equipment.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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Customization 15kV 30kV 33kV 34.5kV 36kV Three Phase Neutral Grounding/earthing Transformer direct supply
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Customization 15kV 30kV 33kV 34.5kV 36kV Three Phase Neutral Grounding/earthing Transformer direct supply
Negotiable
Neutral Earthing Transformer（NET）High short-circuit withstand capacity Oil-immersed Grounding Transformer 3.3kV 6kV 11kV 15kV 20kV 22kV 30kV 33kV 34.5kV 36kV 44kV direct supply Manufacturing Industry
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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110kV 123kV 132kV 145kV Class Core-type oil-immersed High Voltage power transformer
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110kV 123kV 132kV 145kV Class Core-type oil-immersed High Voltage power transformer
Negotiable
110kV 123kV 132kV 145kV Class Core-type oil-immersed High Voltage power transformer; oil-immersed transformer
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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35kV Three-phase Epoxy Cast Dry Distribution Transformer
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35kV Three-phase Epoxy Cast Dry Distribution Transformer
Negotiable
35kV Three-phase Epoxy Cast Dry Distribution Transformer
Vziman
14yrs 100-500 10000+m² US$+
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45-12000 kVA Three-phase pad-mounted transformer
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45-12000 kVA Three-phase pad-mounted transformer
Negotiable
Discover 45 - 12,000 kVA three - phase pad - mounted transformers. Compact, versatile for various applications, ensuring reliable power delivery.
Vziman
14yrs 100-500 10000+m² US$+
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10-167 kVA single-phase pad-mounted transformer
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10-167 kVA single-phase pad-mounted transformer
Negotiable
Explore 10 - 167 kVA single - phase pad - mounted transformers. Compact, efficient for various applications. Handle diverse loads, ensure stable power supply.
Vziman
14yrs 100-500 10000+m² US$+
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5-167 kVA single-phase overhead transformer
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5-167 kVA single-phase overhead transformer
Negotiable
Explore 5 - 167 kVA single - phase overhead transformers. Compact, efficient, ideal for low - density power distribution. Learn about winding, insulation, and installation.
Vziman
14yrs 100-500 10000+m² US$+
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Single-phase pad-mounted transformers with protective functions
Whole life care manager

Single-phase pad-mounted transformers with protective functions
Negotiable
Explore single - phase pad - mounted transformers with built - in protective functions. They feature self - protecting fuses, overcurrent devices, and optional fire - resistant fluids for enhanced safety.
Vziman
14yrs 100-500 10000+m² US$+
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