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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.
H59 H61 20kV 30kV 33kV High Voltage Oil Immersed Toroidal Power Transformer
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H59 H61 20kV 30kV 33kV High Voltage Oil Immersed Toroidal Power Transformer
Negotiable
H59/H61 20kV 30kV 33kV high-voltage oil-immersed toroidal power transformer—energy-efficient, durable for industrial/civil distribution. Stable performance & toroidal design, ideal for grid projects. Boost Google SEO with key specs users search for!
Vziman
14yrs 100-500 10000+m² US$+
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33kV 34.5kV 35kV 36kV Three-phase Oil-immersed Power Distribution Transformer Original Manufacturer
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33kV 34.5kV 35kV 36kV Three-phase Oil-immersed Power Distribution Transformer Original Manufacturer
Negotiable
Original manufacturer of 33kV/34.5kV/35kV/36kV 3-phase oil-immersed distribution transformers. IEC/ANSI compliant, efficient and durable.
Vziman
14yrs 100-500 10000+m² US$+
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Customization 10kV 17.5kV 30kV 35kV Three phase Oil-Immersed Electric Furnace Transformers
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Customization 10kV 17.5kV 30kV 35kV Three phase Oil-Immersed Electric Furnace Transformers
Negotiable
We are a professional manufacturer of 10kV and 35kV oil-immersed electric furnace transformers, with high current, low impedance and on-load tap changing, widely used in steel, ferroalloy, etc., providing reliable power solutions.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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Customization 220kV 225kV 230kV 245kV Class oil-immersed three-phase Power transformer
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Customization 220kV 225kV 230kV 245kV Class oil-immersed three-phase Power transformer
Negotiable
Customization 220kV 225kV 230kV 245kV Class oil-immersed three-phase Power transformer; oil-immersed transformer
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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230kV 245kV 275kV 330kV Class Core-type oil-immersed power transformer Original Manufacturer
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230kV 245kV 275kV 330kV Class Core-type oil-immersed power transformer Original Manufacturer
Negotiable
230kV 245kV 275kV 330kV Class Core-type oil-immersed power transformer Original Manufacturer; oil-immersed transformer
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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Customization 363kV 345kV 400kV 550kV Class High Voltage oil-immersed Power transformer
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Customization 363kV 345kV 400kV 550kV Class High Voltage oil-immersed Power transformer
Negotiable
Customization 363kV 345kV 400kV 550kV Class High Voltage oil-immersed Power transformer, oil-immersed transformer
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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Customization 7.2kV 10kV 15kV 15.5kVclass S13 series oil immersed fully sealed power transformer
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Customization 7.2kV 10kV 15kV 15.5kVclass S13 series oil immersed fully sealed power transformer
Negotiable
Robust 7.2kV 10kV 15kV 15.5kV S13 series fully sealed oil-immersed transformer. Offers maintenance-free operation and long service life for utility and industrial power networks.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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H61 30 kV 33kV 34.5kV 35 kV 46 kV 630kVA High Voltage Oil Immersed Distribution Transformer
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H61 30 kV 33kV 34.5kV 35 kV 46 kV 630kVA High Voltage Oil Immersed Distribution Transformer
Negotiable
H61 33/0.4kV 630kVA high voltage oil-immersed distribution transformer—efficient, reliable for industrial/commercial power distribution. Core specs & oil-immersed advantage, ideal for grid projects.
Rockwell
13yrs 60000+m² US$+
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10.5kV 11kV 33kV 35kV 44kV Pole Mounted High Voltage Oil Immersed Toroidal Power Transformer
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10.5kV 11kV 33kV 35kV 44kV Pole Mounted High Voltage Oil Immersed Toroidal Power Transformer
Negotiable
Factory supply 10.5kV/11kV/33kV/35kV/44kV pole-mounted high voltage oil-immersed toroidal power transformers—compact, efficient, ideal for outdoor distribution. Trusted manufacturer for reliable power solutions.
Rockwell
13yrs 60000+m² US$+
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15kV 24kV 33kV 44kV High Voltage Oil Immersed Toroidal Transformer for Efficient Power Distribution
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15kV 24kV 33kV 44kV High Voltage Oil Immersed Toroidal Transformer for Efficient Power Distribution
Negotiable
15kV/24kV/33kV/44kV high voltage oil-immersed toroidal transformer—compact toroidal structure, low power loss, efficient power transmission. Ideal for enterprise & engineering power distribution needs. Trusted solution for stable high-voltage supply.
Rockwell
13yrs 60000+m² US$+
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