• Product
  • Suppliers
  • Manufacturers
  • Solutions
  • Free tools
  • Knowledges
  • Experts
  • Communities
Search


MENU

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.
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$+
Chat now
Send inquiry
Chat now
Send inquiry
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$+
Chat now
Send inquiry
Chat now
Send inquiry
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$+
Chat now
Send inquiry
Chat now
Send inquiry
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$+
Chat now
Send inquiry
Chat now
Send inquiry
Customization 10kV 17.5kV 30kV 35kV Three phase Oil-Immersed Electric Furnace Transformers
Whole life care manager

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$+
Chat now
Send inquiry
Chat now
Send inquiry
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$+
Chat now
Send inquiry
Chat now
Send inquiry
Customization 220kV 225kV 230kV 245kV Class oil-immersed three-phase Power transformer
Whole life care manager

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$+
Chat now
Send inquiry
Chat now
Send inquiry
230kV 245kV 275kV 330kV Class Core-type oil-immersed power transformer Original Manufacturer
Whole life care manager

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$+
Chat now
Send inquiry
Chat now
Send inquiry
Customization 363kV 345kV 400kV 550kV Class High Voltage oil-immersed Power transformer
Whole life care manager

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$+
Chat now
Send inquiry
Chat now
Send inquiry
2500kVA 11kV Oil-immersed distribution transformer three-phase
Whole life care manager

2500kVA 11kV Oil-immersed distribution transformer three-phase
Negotiable
2500kVA 11kV Oil-immersed distribution transformer three-phase
Vziman
15yrs 100-500 10000+m² US$+
Chat now
Send inquiry
Chat now
Send inquiry
Send inquiry
+86
Click to upload file
Download
Get the IEE Business Application
Use the IEE-Business app to find equipment, obtain solutions, connect with experts, and participate in industry collaboration anytime, anywhere—fully supporting the development of your power projects and business.
Google Play App Store HUAWEI XIAOMI VIVO OPPO Palm Store
DownloadQr