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Power & Distribution Transformer Factory | Wholesale Custom HV LV Electric Transformer Manufacturer

Source high-quality power & distribution transformers from verified direct manufacturers. Our HV/LV transformers comply with IEC 60076, ISO, ANSI standards, including oil immersed and dry type models with ultra-low no-load loss. We offer full OEM & ODM customization, flexible voltage transformation ratios, third-party test certificates and global bulk shipping. No middlemen, competitive factory pricing for grid power transmission, industrial mining, commercial building and residential distribution projects across all countries.

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20kV 44kV 145kV 150kV Three Phase Oil-Immersed Neutral Earthing Transformer Custom Factory
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20kV 44kV 145kV 150kV Three Phase Oil-Immersed Neutral Earthing Transformer Custom Factory
$2640.00
Explore custom three-phase oil-immersed neutral earthing transformers for 33kV – tailored grounding solutions from a specialized factory.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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35kV 36kV 44kV 66kV Three Phase Cast Resin Dry Type Zigzag (Z-Type) Grounding Transformer
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35kV 36kV 44kV 66kV Three Phase Cast Resin Dry Type Zigzag (Z-Type) Grounding Transformer
$2160.00
Discover three-phase cast resin Z-type earthing transformers for 35kV – maintenance-free, reliable neutral grounding for industrial and utility networks.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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15kV 20kV 22kV 30kV 33kV 35kV oil-immersed neutral grounding resistance to transformer (earthing transfoemer)
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15kV 20kV 22kV 30kV 33kV 35kV oil-immersed neutral grounding resistance to transformer (earthing transfoemer)
$3,600.00
Discover oil-immersed neutral grounding / earthing transformers for 17.5-40.5kV – reliable fault current management for power distribution networks.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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34.5kV 35kV 38.5kV 45kV On-Load / Off-Circuit Tap-Changing Oil-Immersed Power Transformer
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34.5kV 35kV 38.5kV 45kV On-Load / Off-Circuit Tap-Changing Oil-Immersed Power Transformer
$1,440.00 ~ $1,728.00
35kV On-Load and Off-Circuit Tap-Changing Oil-Immersed Power Transformers for stable voltage regulation and reliable grid performance.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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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
$2,592.00
Discover direct-supply three-phase neutral earthing transformers for 15-36kV – reliable grounding solutions for industrial and utility networks.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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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
$3200.00
Discover Z-type oil-immersed earthing transformers for 10-35kV – reliable neutral grounding solutions from a trusted source manufacturer.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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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
$3600.00
Customization Three-phase 11kV to 35kV grounding transformers for power systems, reliable earthing solutions, high-quality electrical equipment.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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22kV 30kV 33kV 66kV Three phase Oil Immersed Grounding /Earthing Transformer Manufacturer
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22kV 30kV 33kV 66kV Three phase Oil Immersed Grounding /Earthing Transformer Manufacturer
$5,760.00
Explore three-phase oil-immersed earthing transformers from 15-35kV – reliable neutral grounding solutions from a trusted manufacturer.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Medium-Frequency Furnace Transformer for Metal Smelting 6kV-35kV
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Medium-Frequency Furnace Transformer for Metal Smelting 6kV-35kV
$21,400.00
12-pulse medium-frequency furnace transformer with harmonic suppression, high overload capacity and global voltage compliance for metal smelting.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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Customization 35kV 38kV 40kV 40.5kV Class Three-phase oil-immersed Power transformer
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Customization 35kV 38kV 40kV 40.5kV Class Three-phase oil-immersed Power transformer
$43600.00
Customizable 35kV three-phase oil-immersed power transformer: low loss, low partial discharge, low noise, optimized lightweight design for reliable power distribution.
ROCKWILL
Access Validation 18yrs 500-1000 108000+m² US$150,000,000+
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