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Reliable Oil-Immersed Transformer Source Factories | Wholesale HV Oil-Filled Transformer

Connect with trusted oil-immersed transformer source factories! We select manufacturers offering IEC/ANSI certified oil-filled transformers, high-temperature resistance, low energy loss, and global after-sales support. Direct factory pricing for bulk orders—ideal for large-scale power projects.
15kV 22kV 34.5kV 38kV three phase Medium Voltage Oil-immersed Power transformer Source manufacturer
Whole life care manager

15kV 22kV 34.5kV 38kV three phase Medium Voltage Oil-immersed Power transformer Source manufacturer
Negotiable
100kVA 15kV 3Phase Oil-immersed distribution transformer
Vziman
4yrs 100-500 10000+m² US$+
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100kVA 15kV Oil-immersed distribution transformer three-phase
Whole life care manager

100kVA 15kV Oil-immersed distribution transformer three-phase
Negotiable
100kVA 15kV Oil-immersed distribution transformer three-phase
Vziman
4yrs 100-500 10000+m² US$+
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110kV 123kV 132kV 145kV Class Core-type oil-immersed High Voltage power transformer
Whole life care manager

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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Customization 35kV 38kV 40kV 40.5kV Class Three-phase oil-immersed Power transformer
Whole life care manager

Customization 35kV 38kV 40kV 40.5kV Class Three-phase oil-immersed Power transformer
Negotiable
35kV Class oil-immersed Power transformer; oil-immersed transformer
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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Oil Distribution Transformer up to 3150 kVA
Whole life care manager

Oil Distribution Transformer up to 3150 kVA
Negotiable
Oil Distribution Transformer up to 3150 kVA
Schneider
11yrs 20000+m² US$+
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245kV 275kV 400kV 330kV Three-Phase Three-Winding On-Load Tap-Changing Autotransformer
Whole life care manager

245kV 275kV 400kV 330kV Three-Phase Three-Winding On-Load Tap-Changing Autotransformer
Negotiable
245kV 275kV 400kV 330kV Three-Phase Three-Winding On-Load Tap-Changing Autotransformer: High-reliability UHV equipment with flexible voltage regulation, ideal for efficient, stable power transmission in large-scale grids.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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500kV 550kV Single-phase Oil-Immersed Air-Cooled Autotransformer with Three Windings and No Excitation
Whole life care manager

500kV 550kV Single-phase Oil-Immersed Air-Cooled Autotransformer with Three Windings and No Excitation
Negotiable
500kV/550kV Single-phase Oil-Immersed Air-Cooled Autotransformer with Three Windings and No Excitation: Reliable, low-loss UHV solution for efficient power transmission in large-scale grid projects.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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735kV 750kV 765kV Single-phase Oil-Immersed Autotransformer with Three Windings and No Excitation
Whole life care manager

735kV 750kV 765kV Single-phase Oil-Immersed Autotransformer with Three Windings and No Excitation
Negotiable
735kV 750kV 765kV Single-Phase Oil-Immersed Autotransformer. Features 3-winding design with no-load voltage regulation for ultra-high voltage grid applications
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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800kV 1000kV Single-phase Autotransformer with Three Windings and No Excitation manufacturer
Whole life care manager

800kV 1000kV Single-phase Autotransformer with Three Windings and No Excitation manufacturer
Negotiable
800kV 1000kV Single-phase Autotransformer with Three Windings and No Excitation: High-reliability, low-loss solution for ultra-high voltage power transmission, ideal for large grid projects.
ROCKWILL
18yrs 500-1000 employees 108000m²+m² US$+
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33kV 34.5kV 35kV 36kV Three-phase Oil-immersed Power Distribution Transformer Original Manufacturer
Whole life care manager

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
4yrs 100-500 10000+m² US$+
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