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Advanced Oil-Immersed Transformers Engineered for Efficient Energy Conversion, Thermal Stability, and Heavy-Duty Power Demands Fully Sealed Transformer

Advanced Oil-Immersed Transformers Engineered for Efficient Energy Conversion, Thermal Stability, and Heavy-Duty Power Demands Fully Sealed Transformer

US $ 300-50,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Jiangsu Delangshi Biotechnology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2026
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50mva 110kv Heavy Duty High Voltage Oil Immersed Transformer Main Transformer

50mva 110kv Heavy Duty High Voltage Oil Immersed Transformer Main Transformer

US $ 100,000-300,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Xuzhou Jinteng Intelligent Electrical Technology Co., Ltd.

Jiangsu, China Since 2025
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220kv 200mva on-Load Voltage Regulation Three-Phase Distribution Oil Immersed Electrical High Voltage Step-Down Auto-Coupling Main Power Transformer

220kv 200mva on-Load Voltage Regulation Three-Phase Distribution Oil Immersed Electrical High Voltage Step-Down Auto-Coupling Main Power Transformer

US $ 100,000-300,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Xuzhou Jinteng Intelligent Electrical Technology Co., Ltd.

Jiangsu, China Since 2025
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Precision-Built Oil-Immersed Transformers Delivering Stable Performance for Demanding Power Systems and Long-Term Energy Reliability Fully Sealed Transformer

Precision-Built Oil-Immersed Transformers Delivering Stable Performance for Demanding Power Systems and Long-Term Energy Reliability Fully Sealed Transformer

US $ 300-50,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Jiangsu Delangshi Biotechnology Co., Ltd.

Manufacturer/Factory & Trading Company

Jiangsu, China Since 2026
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11kv 24kv 33kv Power Transformer Cast Resin Transformer Isolation Transformer Dry Transformer

11kv 24kv 33kv Power Transformer Cast Resin Transformer Isolation Transformer Dry Transformer

US $ 1,500 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Henan Aoyang Machinery Co., Ltd.

Henan, China Since 2026
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S13 Model Three-Phase Copper Winding Fully Sealed Coil High-Quality Large Power Transformer

S13 Model Three-Phase Copper Winding Fully Sealed Coil High-Quality Large Power Transformer

US $ 11,450-15,000 / Piece FOB
1 Piece (MOQ)
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Tuoling Electric Co., Ltd

Trading Company

Zhejiang, China Since 2026
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11kv 800kVA/ 500kVA /1500kVA/ 1250 kVA /2500kVA Power Distribution Dry Type Transformer

11kv 800kVA/ 500kVA /1500kVA/ 1250 kVA /2500kVA Power Distribution Dry Type Transformer

US $ 28,000-36,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Zhejiang Paier Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2026
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20kv 35kv Cast Resin Dry Type Three Phase Step up Transformer Plant UL CE IEC Factory

20kv 35kv Cast Resin Dry Type Three Phase Step up Transformer Plant UL CE IEC Factory

US $ 500-8,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Zhejiang Paier Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2026
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Dry Type Traction Transformer for Rail Systems

Dry Type Traction Transformer for Rail Systems

US $ 2,100-2,260 / Set FOB
1 Set (MOQ)
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Audited Supplier
TSTY ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Henan, China Since 2023
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Industrial UL Certified Three Phase 5MVA Pad Mounted Transformer for Outdoor Power Distribution Grid

Industrial UL Certified Three Phase 5MVA Pad Mounted Transformer for Outdoor Power Distribution Grid

US $ 13,800 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Pearl Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Guangdong, China Since 2010
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High-Performance 11kv 33kv Oil-Filled Transformer for Industrial Use

High-Performance 11kv 33kv Oil-Filled Transformer for Industrial Use

US $ 2,658-3,000 / Set FOB
1 Set (MOQ)
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Audited Supplier
TSTY ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Henan, China Since 2023
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15mva 6000kVA 132kv 33kv Oil Immersed Power Transformer Continuous Duty Electrical Step Down Substation Transformers 50Hz

15mva 6000kVA 132kv 33kv Oil Immersed Power Transformer Continuous Duty Electrical Step Down Substation Transformers 50Hz

US $ 11,450-15,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Tuoling Electric Co., Ltd

Trading Company

Zhejiang, China Since 2026
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11kv 500kVA Electric Voltage Power Oil-Immersed Transformer

11kv 500kVA Electric Voltage Power Oil-Immersed Transformer

US $ 1,600-21,600 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Farady Electric Co., Ltd.

Zhejiang, China Since 2007
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Oil Immersed Transformer China Supplier

Oil Immersed Transformer China Supplier

US $ 2,458-2,558 / Set FOB
1 Set (MOQ)
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Audited Supplier
TSTY ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Henan, China Since 2023
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High Voltage 3 Phase Cast Resin Transformer for Safe Power Distribution

High Voltage 3 Phase Cast Resin Transformer for Safe Power Distribution

US $ 2,100-2,260 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
TSTY ELECTRIC CO., LTD.

Manufacturer/Factory & Trading Company

Henan, China Since 2023
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10kv Three Phase Resin Cast Dry Type Indoor Step Down Distribution Transformer

10kv Three Phase Resin Cast Dry Type Indoor Step Down Distribution Transformer

US $ 500-8,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Zhejiang Paier Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2026
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11kv 33kv High Voltage Oil Immersed Electrical Power Distribution Transformer for Photovoltaic Solar Substation

11kv 33kv High Voltage Oil Immersed Electrical Power Distribution Transformer for Photovoltaic Solar Substation

US $ 2,500-5,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Dehler Technology Co., Ltd.

Zhejiang, China Since 2018
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Factory Customized Power Transformer Price 500kVA 33 Kv/2000 kVA/Oil-Immersed Three-Phase on-Load Tap-Changer Transformer, 50/60 Hz, Copper/Aluminum Windings

Factory Customized Power Transformer Price 500kVA 33 Kv/2000 kVA/Oil-Immersed Three-Phase on-Load Tap-Changer Transformer, 50/60 Hz, Copper/Aluminum Windings

US $ 11,450-15,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Tuoling Electric Co., Ltd

Trading Company

Zhejiang, China Since 2026
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35kv 10kv Three Phase Oil Immersed Step Down Electric Power Transformer

35kv 10kv Three Phase Oil Immersed Step Down Electric Power Transformer

US $ 2,000-36,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Zhejiang Paier Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2026
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100kVA Three Phase Oil Immersed Distribution Transformer Power Voltage Transformer

100kVA Three Phase Oil Immersed Distribution Transformer Power Voltage Transformer

US $ 500-8,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Zhejiang Paier Electric Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2026
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Pakistan S18-M 630kVA 11kv/0.415kv Oil-Immersed Distribution Transformer for Commercial Buildings

Pakistan S18-M 630kVA 11kv/0.415kv Oil-Immersed Distribution Transformer for Commercial Buildings

US $ 20,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Shandong Dongsheng Supply Chain Co., Ltd

Manufacturer/Factory

Shandong, China Since 2026
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Good Lightning Protection and Environmentally Scb11 Serise 10kv Three-Phase Epoxy Resin Electric Power Core-Type Dry Transformer for Indoor Using

Good Lightning Protection and Environmentally Scb11 Serise 10kv Three-Phase Epoxy Resin Electric Power Core-Type Dry Transformer for Indoor Using

US $ 1,500-15,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Henan Province Sendian Power Equipment Co., Ltd.

Henan, China Since 2025
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High Level and High Insulation Scb12-1000 10kv Indoor Epoxy Resin Core-Type Winding Three-Phase Step Down Electric Power Dry Transformer for Globle Users Using

High Level and High Insulation Scb12-1000 10kv Indoor Epoxy Resin Core-Type Winding Three-Phase Step Down Electric Power Dry Transformer for Globle Users Using

US $ 1,500-15,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Henan Province Sendian Power Equipment Co., Ltd.

Henan, China Since 2025
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About Off Load Tapping Changer Transformer FAQ

  • QHow do I get the best price on wholesale transformers from the factory?

    Our Off Load Tapping Changer Transformer offers exceptional quality and style within the Transformer category.Compare transformer market trends and work with a direct factory for bulk discount price options. Choosing an established OEM transformer supplier ensures access to top distributor rates and custom features. Ask about current deals or fast RFQs for your next order.

  • QWhat’s the difference between OEM and custom transformers in bulk orders?

    Enhance your Transformer setup with our premium Off Load Tapping Changer Transformer.OEM transformers follow standard specs, while custom transformers are tailored for unique factory requirements and wholesale projects. OEM transformer distributor prices are usually lower for large quantities. Contact us for help with guide selection and current transformer trends, or request a custom quote today.

  • QWhat are today's transformer trends and common mistakes to avoid during purchasing?

    Our Off Load Tapping Changer Transformer offers exceptional quality and style within the Transformer category.Recent transformer demand leans toward energy-efficient OEM and custom units; however, buyers sometimes ignore factory certifications or cost-saving distributor bundles. Always check transformer trends in the industry and discuss custom needs—contact us for a trend guide, factory pricing, or to avoid common sourcing mistakes.

Sendian High Level S13 Serise 10kv Outdoor Three-Phase Oil-Immersed Customizable Power Electric Transformer with Certificate for Globle Users Using

Sendian High Level S13 Serise 10kv Outdoor Three-Phase Oil-Immersed Customizable Power Electric Transformer with Certificate for Globle Users Using

US $ 1,200-12,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Henan Province Sendian Power Equipment Co., Ltd.

Henan, China Since 2025
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35-38.5 Kv/3.15-11 Kv Sc (B) 10 Series Dry-Type Power Transformer with off-Circuit Tap Changer

35-38.5 Kv/3.15-11 Kv Sc (B) 10 Series Dry-Type Power Transformer with off-Circuit Tap Changer

US $ 764.27-29,850.75 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Jiangsu Yuantong Electric Group Co., Ltd.

Jiangsu, China Since 2026
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S11 Copper Winding off-Circuit Tap-Changing Distribution Transformer

S11 Copper Winding off-Circuit Tap-Changing Distribution Transformer

US $ 1,999-4,995 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Yifa Holding Group Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2018
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Hnsd High Efficiency and High Insulation S13-M-400 10kv Aluminum Winding Three-Phase Oil-Immersed Outdoor Electric Power Transformer for Global Buyers Using

Hnsd High Efficiency and High Insulation S13-M-400 10kv Aluminum Winding Three-Phase Oil-Immersed Outdoor Electric Power Transformer for Global Buyers Using

US $ 1,200-12,000 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Henan Province Sendian Power Equipment Co., Ltd.

Henan, China Since 2025
Chat Now Send Inquiry
Wind Farm Transformer Traction Transformer Marine Transformer Mining Transformer

Wind Farm Transformer Traction Transformer Marine Transformer Mining Transformer

US $ 10,000-500,000 / Piece FOB
10 Pieces (MOQ)
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Audited Supplier
Qingdao Lookingforward New Material Technology Co., Ltd.

Shandong, China Since 2023
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High Insulation Sz22-10000 35kv High Voltage Core-Type Three-Phase Oil-Immersed Outdoor Electric Power Transformer for Distribution Network Using

High Insulation Sz22-10000 35kv High Voltage Core-Type Three-Phase Oil-Immersed Outdoor Electric Power Transformer for Distribution Network Using

US $ 80,000-150,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Henan Province Sendian Power Equipment Co., Ltd.

Henan, China Since 2025
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10kv 11/0.4kv 15/0.4kv 20/0.4kv 50kVA 80kVA 400kVA 800kVA 1000kVA Oil or Dry Immersed Power 3 Phase Electrical Electric Distribution High Voltage Transformer

10kv 11/0.4kv 15/0.4kv 20/0.4kv 50kVA 80kVA 400kVA 800kVA 1000kVA Oil or Dry Immersed Power 3 Phase Electrical Electric Distribution High Voltage Transformer

US $ 2,000-3,000 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Wenzhou Longqi Import and Export Co., Ltd.

Zhejiang, China Since 2026
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High-Quality 40kVA Single Phase Transformer at Low Cost

High-Quality 40kVA Single Phase Transformer at Low Cost

US $ 600-10,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Zhejiang Shenmeng Electric Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
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Factory Direct Supply 30kVA 80kVA 125kVA 10kv/0.4kv Oil Immersed Distribution Transformer

Factory Direct Supply 30kVA 80kVA 125kVA 10kv/0.4kv Oil Immersed Distribution Transformer

US $ 1,000-10,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Zhejiang Shenmeng Electric Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
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Oil Immersed Single Phase Pole Mounted Transformer with UL Distribution Transformer Tank

Oil Immersed Single Phase Pole Mounted Transformer with UL Distribution Transformer Tank

US $ 600-10,000 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Zhejiang Shenmeng Electric Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
Chat Now Send Inquiry
500 kVA 11kv S13 Three-Phase Oil-Immersed Distribution Transformer

500 kVA 11kv S13 Three-Phase Oil-Immersed Distribution Transformer

US $ 19,158.33-29,166.67 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
Hefei Xinhuan Transformer Co., Ltd.

Manufacturer/Factory & Trading Company

Anhui, China Since 2026
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Low Loss Low Noise 24 Kv Three Phase Oil Fill Power Transformer

Low Loss Low Noise 24 Kv Three Phase Oil Fill Power Transformer

US $ 1,780 / Piece FOB
1 Piece (MOQ)
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Audited Supplier
ROOQ ELECTRIC GROUP CO., LTD.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2021
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3 Phase High Voltage Oil Immersed Transformer 11kv 22kv 35kv, 100kVA 200kVA 400kVA 1000kVA

3 Phase High Voltage Oil Immersed Transformer 11kv 22kv 35kv, 100kVA 200kVA 400kVA 1000kVA

US $ 1,000-10,000 / Piece FOB
1 Piece (MOQ)
Send Inquiry
Audited Supplier
Zhejiang Shenmeng Electric Power Technology Co., Ltd.

Manufacturer/Factory & Trading Company

Zhejiang, China Since 2024
Chat Now Send Inquiry
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