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Global Oil Immersed Grounding Transformer Market 2025 by Manufacturers, Regions, Type and Application, Forecast to 2031

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1 Market Overview

  • 1.1 Product Overview and Scope
  • 1.2 Market Estimation Caveats and Base Year
  • 1.3 Market Analysis by Type
    • 1.3.1 Overview: Global Oil Immersed Grounding Transformer Consumption Value by Type: 2020 Versus 2024 Versus 2031
    • 1.3.2 6kV
    • 1.3.3 10kV
    • 1.3.4 20kV
    • 1.3.5 Others
  • 1.4 Market Analysis by Application
    • 1.4.1 Overview: Global Oil Immersed Grounding Transformer Consumption Value by Application: 2020 Versus 2024 Versus 2031
    • 1.4.2 Power Plant
    • 1.4.3 Substation
    • 1.4.4 Power Grid
    • 1.4.5 Others
  • 1.5 Global Oil Immersed Grounding Transformer Market Size & Forecast
    • 1.5.1 Global Oil Immersed Grounding Transformer Consumption Value (2020 & 2024 & 2031)
    • 1.5.2 Global Oil Immersed Grounding Transformer Sales Quantity (2020-2031)
    • 1.5.3 Global Oil Immersed Grounding Transformer Average Price (2020-2031)

2 Manufacturers Profiles

  • 2.1 ABB
    • 2.1.1 ABB Details
    • 2.1.2 ABB Major Business
    • 2.1.3 ABB Oil Immersed Grounding Transformer Product and Services
    • 2.1.4 ABB Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.1.5 ABB Recent Developments/Updates
  • 2.2 Hilkar
    • 2.2.1 Hilkar Details
    • 2.2.2 Hilkar Major Business
    • 2.2.3 Hilkar Oil Immersed Grounding Transformer Product and Services
    • 2.2.4 Hilkar Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.2.5 Hilkar Recent Developments/Updates
  • 2.3 Schneider Electric
    • 2.3.1 Schneider Electric Details
    • 2.3.2 Schneider Electric Major Business
    • 2.3.3 Schneider Electric Oil Immersed Grounding Transformer Product and Services
    • 2.3.4 Schneider Electric Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.3.5 Schneider Electric Recent Developments/Updates
  • 2.4 Neeltran
    • 2.4.1 Neeltran Details
    • 2.4.2 Neeltran Major Business
    • 2.4.3 Neeltran Oil Immersed Grounding Transformer Product and Services
    • 2.4.4 Neeltran Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.4.5 Neeltran Recent Developments/Updates
  • 2.5 Siemens
    • 2.5.1 Siemens Details
    • 2.5.2 Siemens Major Business
    • 2.5.3 Siemens Oil Immersed Grounding Transformer Product and Services
    • 2.5.4 Siemens Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.5.5 Siemens Recent Developments/Updates
  • 2.6 Eaton
    • 2.6.1 Eaton Details
    • 2.6.2 Eaton Major Business
    • 2.6.3 Eaton Oil Immersed Grounding Transformer Product and Services
    • 2.6.4 Eaton Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.6.5 Eaton Recent Developments/Updates
  • 2.7 General Electric
    • 2.7.1 General Electric Details
    • 2.7.2 General Electric Major Business
    • 2.7.3 General Electric Oil Immersed Grounding Transformer Product and Services
    • 2.7.4 General Electric Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.7.5 General Electric Recent Developments/Updates
  • 2.8 Electro-Wind
    • 2.8.1 Electro-Wind Details
    • 2.8.2 Electro-Wind Major Business
    • 2.8.3 Electro-Wind Oil Immersed Grounding Transformer Product and Services
    • 2.8.4 Electro-Wind Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.8.5 Electro-Wind Recent Developments/Updates
  • 2.9 Transmag
    • 2.9.1 Transmag Details
    • 2.9.2 Transmag Major Business
    • 2.9.3 Transmag Oil Immersed Grounding Transformer Product and Services
    • 2.9.4 Transmag Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.9.5 Transmag Recent Developments/Updates
  • 2.10 Olsun Electrics
    • 2.10.1 Olsun Electrics Details
    • 2.10.2 Olsun Electrics Major Business
    • 2.10.3 Olsun Electrics Oil Immersed Grounding Transformer Product and Services
    • 2.10.4 Olsun Electrics Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.10.5 Olsun Electrics Recent Developments/Updates
  • 2.11 Swedish Neutral
    • 2.11.1 Swedish Neutral Details
    • 2.11.2 Swedish Neutral Major Business
    • 2.11.3 Swedish Neutral Oil Immersed Grounding Transformer Product and Services
    • 2.11.4 Swedish Neutral Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.11.5 Swedish Neutral Recent Developments/Updates
  • 2.12 Ampcontrol
    • 2.12.1 Ampcontrol Details
    • 2.12.2 Ampcontrol Major Business
    • 2.12.3 Ampcontrol Oil Immersed Grounding Transformer Product and Services
    • 2.12.4 Ampcontrol Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.12.5 Ampcontrol Recent Developments/Updates
  • 2.13 Aolan Electrical Technology
    • 2.13.1 Aolan Electrical Technology Details
    • 2.13.2 Aolan Electrical Technology Major Business
    • 2.13.3 Aolan Electrical Technology Oil Immersed Grounding Transformer Product and Services
    • 2.13.4 Aolan Electrical Technology Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.13.5 Aolan Electrical Technology Recent Developments/Updates
  • 2.14 Sanjiang Electric
    • 2.14.1 Sanjiang Electric Details
    • 2.14.2 Sanjiang Electric Major Business
    • 2.14.3 Sanjiang Electric Oil Immersed Grounding Transformer Product and Services
    • 2.14.4 Sanjiang Electric Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.14.5 Sanjiang Electric Recent Developments/Updates
  • 2.15 Sunten Electrical Equipment
    • 2.15.1 Sunten Electrical Equipment Details
    • 2.15.2 Sunten Electrical Equipment Major Business
    • 2.15.3 Sunten Electrical Equipment Oil Immersed Grounding Transformer Product and Services
    • 2.15.4 Sunten Electrical Equipment Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.15.5 Sunten Electrical Equipment Recent Developments/Updates
  • 2.16 Taikai Power Electronic
    • 2.16.1 Taikai Power Electronic Details
    • 2.16.2 Taikai Power Electronic Major Business
    • 2.16.3 Taikai Power Electronic Oil Immersed Grounding Transformer Product and Services
    • 2.16.4 Taikai Power Electronic Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.16.5 Taikai Power Electronic Recent Developments/Updates
  • 2.17 Changji Electric
    • 2.17.1 Changji Electric Details
    • 2.17.2 Changji Electric Major Business
    • 2.17.3 Changji Electric Oil Immersed Grounding Transformer Product and Services
    • 2.17.4 Changji Electric Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.17.5 Changji Electric Recent Developments/Updates
  • 2.18 Dongtang Electric
    • 2.18.1 Dongtang Electric Details
    • 2.18.2 Dongtang Electric Major Business
    • 2.18.3 Dongtang Electric Oil Immersed Grounding Transformer Product and Services
    • 2.18.4 Dongtang Electric Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.18.5 Dongtang Electric Recent Developments/Updates
  • 2.19 Huapeng Transformer
    • 2.19.1 Huapeng Transformer Details
    • 2.19.2 Huapeng Transformer Major Business
    • 2.19.3 Huapeng Transformer Oil Immersed Grounding Transformer Product and Services
    • 2.19.4 Huapeng Transformer Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.19.5 Huapeng Transformer Recent Developments/Updates
  • 2.20 Canton High Voltage Electrical Appliance
    • 2.20.1 Canton High Voltage Electrical Appliance Details
    • 2.20.2 Canton High Voltage Electrical Appliance Major Business
    • 2.20.3 Canton High Voltage Electrical Appliance Oil Immersed Grounding Transformer Product and Services
    • 2.20.4 Canton High Voltage Electrical Appliance Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.20.5 Canton High Voltage Electrical Appliance Recent Developments/Updates
  • 2.21 Linhai Electric
    • 2.21.1 Linhai Electric Details
    • 2.21.2 Linhai Electric Major Business
    • 2.21.3 Linhai Electric Oil Immersed Grounding Transformer Product and Services
    • 2.21.4 Linhai Electric Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.21.5 Linhai Electric Recent Developments/Updates
  • 2.22 Ville Industry
    • 2.22.1 Ville Industry Details
    • 2.22.2 Ville Industry Major Business
    • 2.22.3 Ville Industry Oil Immersed Grounding Transformer Product and Services
    • 2.22.4 Ville Industry Oil Immersed Grounding Transformer Sales Quantity, Average Price, Revenue, Gross Margin and Market Share (2020-2025)
    • 2.22.5 Ville Industry Recent Developments/Updates

3 Competitive Environment: Oil Immersed Grounding Transformer by Manufacturer

  • 3.1 Global Oil Immersed Grounding Transformer Sales Quantity by Manufacturer (2020-2025)
  • 3.2 Global Oil Immersed Grounding Transformer Revenue by Manufacturer (2020-2025)
  • 3.3 Global Oil Immersed Grounding Transformer Average Price by Manufacturer (2020-2025)
  • 3.4 Market Share Analysis (2024)
    • 3.4.1 Producer Shipments of Oil Immersed Grounding Transformer by Manufacturer Revenue ($MM) and Market Share (%): 2024
    • 3.4.2 Top 3 Oil Immersed Grounding Transformer Manufacturer Market Share in 2024
    • 3.4.3 Top 6 Oil Immersed Grounding Transformer Manufacturer Market Share in 2024
  • 3.5 Oil Immersed Grounding Transformer Market: Overall Company Footprint Analysis
    • 3.5.1 Oil Immersed Grounding Transformer Market: Region Footprint
    • 3.5.2 Oil Immersed Grounding Transformer Market: Company Product Type Footprint
    • 3.5.3 Oil Immersed Grounding Transformer Market: Company Product Application Footprint
  • 3.6 New Market Entrants and Barriers to Market Entry
  • 3.7 Mergers, Acquisition, Agreements, and Collaborations

4 Consumption Analysis by Region

  • 4.1 Global Oil Immersed Grounding Transformer Market Size by Region
    • 4.1.1 Global Oil Immersed Grounding Transformer Sales Quantity by Region (2020-2031)
    • 4.1.2 Global Oil Immersed Grounding Transformer Consumption Value by Region (2020-2031)
    • 4.1.3 Global Oil Immersed Grounding Transformer Average Price by Region (2020-2031)
  • 4.2 North America Oil Immersed Grounding Transformer Consumption Value (2020-2031)
  • 4.3 Europe Oil Immersed Grounding Transformer Consumption Value (2020-2031)
  • 4.4 Asia-Pacific Oil Immersed Grounding Transformer Consumption Value (2020-2031)
  • 4.5 South America Oil Immersed Grounding Transformer Consumption Value (2020-2031)
  • 4.6 Middle East & Africa Oil Immersed Grounding Transformer Consumption Value (2020-2031)

5 Market Segment by Type

  • 5.1 Global Oil Immersed Grounding Transformer Sales Quantity by Type (2020-2031)
  • 5.2 Global Oil Immersed Grounding Transformer Consumption Value by Type (2020-2031)
  • 5.3 Global Oil Immersed Grounding Transformer Average Price by Type (2020-2031)

6 Market Segment by Application

  • 6.1 Global Oil Immersed Grounding Transformer Sales Quantity by Application (2020-2031)
  • 6.2 Global Oil Immersed Grounding Transformer Consumption Value by Application (2020-2031)
  • 6.3 Global Oil Immersed Grounding Transformer Average Price by Application (2020-2031)

7 North America

  • 7.1 North America Oil Immersed Grounding Transformer Sales Quantity by Type (2020-2031)
  • 7.2 North America Oil Immersed Grounding Transformer Sales Quantity by Application (2020-2031)
  • 7.3 North America Oil Immersed Grounding Transformer Market Size by Country
    • 7.3.1 North America Oil Immersed Grounding Transformer Sales Quantity by Country (2020-2031)
    • 7.3.2 North America Oil Immersed Grounding Transformer Consumption Value by Country (2020-2031)
    • 7.3.3 United States Market Size and Forecast (2020-2031)
    • 7.3.4 Canada Market Size and Forecast (2020-2031)
    • 7.3.5 Mexico Market Size and Forecast (2020-2031)

8 Europe

  • 8.1 Europe Oil Immersed Grounding Transformer Sales Quantity by Type (2020-2031)
  • 8.2 Europe Oil Immersed Grounding Transformer Sales Quantity by Application (2020-2031)
  • 8.3 Europe Oil Immersed Grounding Transformer Market Size by Country
    • 8.3.1 Europe Oil Immersed Grounding Transformer Sales Quantity by Country (2020-2031)
    • 8.3.2 Europe Oil Immersed Grounding Transformer Consumption Value by Country (2020-2031)
    • 8.3.3 Germany Market Size and Forecast (2020-2031)
    • 8.3.4 France Market Size and Forecast (2020-2031)
    • 8.3.5 United Kingdom Market Size and Forecast (2020-2031)
    • 8.3.6 Russia Market Size and Forecast (2020-2031)
    • 8.3.7 Italy Market Size and Forecast (2020-2031)

9 Asia-Pacific

  • 9.1 Asia-Pacific Oil Immersed Grounding Transformer Sales Quantity by Type (2020-2031)
  • 9.2 Asia-Pacific Oil Immersed Grounding Transformer Sales Quantity by Application (2020-2031)
  • 9.3 Asia-Pacific Oil Immersed Grounding Transformer Market Size by Region
    • 9.3.1 Asia-Pacific Oil Immersed Grounding Transformer Sales Quantity by Region (2020-2031)
    • 9.3.2 Asia-Pacific Oil Immersed Grounding Transformer Consumption Value by Region (2020-2031)
    • 9.3.3 China Market Size and Forecast (2020-2031)
    • 9.3.4 Japan Market Size and Forecast (2020-2031)
    • 9.3.5 South Korea Market Size and Forecast (2020-2031)
    • 9.3.6 India Market Size and Forecast (2020-2031)
    • 9.3.7 Southeast Asia Market Size and Forecast (2020-2031)
    • 9.3.8 Australia Market Size and Forecast (2020-2031)

10 South America

  • 10.1 South America Oil Immersed Grounding Transformer Sales Quantity by Type (2020-2031)
  • 10.2 South America Oil Immersed Grounding Transformer Sales Quantity by Application (2020-2031)
  • 10.3 South America Oil Immersed Grounding Transformer Market Size by Country
    • 10.3.1 South America Oil Immersed Grounding Transformer Sales Quantity by Country (2020-2031)
    • 10.3.2 South America Oil Immersed Grounding Transformer Consumption Value by Country (2020-2031)
    • 10.3.3 Brazil Market Size and Forecast (2020-2031)
    • 10.3.4 Argentina Market Size and Forecast (2020-2031)

11 Middle East & Africa

  • 11.1 Middle East & Africa Oil Immersed Grounding Transformer Sales Quantity by Type (2020-2031)
  • 11.2 Middle East & Africa Oil Immersed Grounding Transformer Sales Quantity by Application (2020-2031)
  • 11.3 Middle East & Africa Oil Immersed Grounding Transformer Market Size by Country
    • 11.3.1 Middle East & Africa Oil Immersed Grounding Transformer Sales Quantity by Country (2020-2031)
    • 11.3.2 Middle East & Africa Oil Immersed Grounding Transformer Consumption Value by Country (2020-2031)
    • 11.3.3 Turkey Market Size and Forecast (2020-2031)
    • 11.3.4 Egypt Market Size and Forecast (2020-2031)
    • 11.3.5 Saudi Arabia Market Size and Forecast (2020-2031)
    • 11.3.6 South Africa Market Size and Forecast (2020-2031)

12 Market Dynamics

  • 12.1 Oil Immersed Grounding Transformer Market Drivers
  • 12.2 Oil Immersed Grounding Transformer Market Restraints
  • 12.3 Oil Immersed Grounding Transformer Trends Analysis
  • 12.4 Porters Five Forces Analysis
    • 12.4.1 Threat of New Entrants
    • 12.4.2 Bargaining Power of Suppliers
    • 12.4.3 Bargaining Power of Buyers
    • 12.4.4 Threat of Substitutes
    • 12.4.5 Competitive Rivalry

13 Raw Material and Industry Chain

  • 13.1 Raw Material of Oil Immersed Grounding Transformer and Key Manufacturers
  • 13.2 Manufacturing Costs Percentage of Oil Immersed Grounding Transformer
  • 13.3 Oil Immersed Grounding Transformer Production Process
  • 13.4 Industry Value Chain Analysis

14 Shipments by Distribution Channel

  • 14.1 Sales Channel
    • 14.1.1 Direct to End-User
    • 14.1.2 Distributors
  • 14.2 Oil Immersed Grounding Transformer Typical Distributors
  • 14.3 Oil Immersed Grounding Transformer Typical Customers

15 Research Findings and Conclusion

    16 Appendix

    • 16.1 Methodology
    • 16.2 Research Process and Data Source

    According to our (Global Info Research) latest study, the global Oil Immersed Grounding Transformer market size was valued at US$ 2312 million in 2024 and is forecast to a readjusted size of USD 3429 million by 2031 with a CAGR of 5.9% during review period.
    In this report, we will assess the current U.S. tariff framework alongside international policy adaptations, analyzing their effects on competitive market structures, regional economic dynamics, and supply chain resilience.
    Oil-immersed grounding transformer is a transformer used in power systems, mainly used to provide grounding protection, limit fault current and improve the safety of electrical equipment. This type of transformer usually uses oil cooling and has good heat dissipation and electrical insulation properties.
    This report is a detailed and comprehensive analysis for global Oil Immersed Grounding Transformer market. Both quantitative and qualitative analyses are presented by manufacturers, by region & country, by Type and by Application. As the market is constantly changing, this report explores the competition, supply and demand trends, as well as key factors that contribute to its changing demands across many markets. Company profiles and product examples of selected competitors, along with market share estimates of some of the selected leaders for the year 2025, are provided.
    Key Features:
    Global Oil Immersed Grounding Transformer market size and forecasts, in consumption value ($ Million), sales quantity (K Units), and average selling prices (US$/Unit), 2020-2031
    Global Oil Immersed Grounding Transformer market size and forecasts by region and country, in consumption value ($ Million), sales quantity (K Units), and average selling prices (US$/Unit), 2020-2031
    Global Oil Immersed Grounding Transformer market size and forecasts, by Type and by Application, in consumption value ($ Million), sales quantity (K Units), and average selling prices (US$/Unit), 2020-2031
    Global Oil Immersed Grounding Transformer market shares of main players, shipments in revenue ($ Million), sales quantity (K Units), and ASP (US$/Unit), 2020-2025
    The Primary Objectives in This Report Are:
    To determine the size of the total market opportunity of global and key countries
    To assess the growth potential for Oil Immersed Grounding Transformer
    To forecast future growth in each product and end-use market
    To assess competitive factors affecting the marketplace
    This report profiles key players in the global Oil Immersed Grounding Transformer market based on the following parameters - company overview, sales quantity, revenue, price, gross margin, product portfolio, geographical presence, and key developments. Key companies covered as a part of this study include ABB, Hilkar, Schneider Electric, Neeltran, Siemens, Eaton, General Electric, Electro-Wind, Transmag, Olsun Electrics, etc.
    This report also provides key insights about market drivers, restraints, opportunities, new product launches or approvals.
    Market Segmentation
    Oil Immersed Grounding Transformer market is split by Type and by Application. For the period 2020-2031, the growth among segments provides accurate calculations and forecasts for consumption value by Type, and by Application in terms of volume and value. This analysis can help you expand your business by targeting qualified niche markets.
    Market segment by Type
    6kV
    10kV
    20kV
    Others
    Market segment by Application
    Power Plant
    Substation
    Power Grid
    Others
    Major players covered
    ABB
    Hilkar
    Schneider Electric
    Neeltran
    Siemens
    Eaton
    General Electric
    Electro-Wind
    Transmag
    Olsun Electrics
    Swedish Neutral
    Ampcontrol
    Aolan Electrical Technology
    Sanjiang Electric
    Sunten Electrical Equipment
    Taikai Power Electronic
    Changji Electric
    Dongtang Electric
    Huapeng Transformer
    Canton High Voltage Electrical Appliance
    Linhai Electric
    Ville Industry
    Market segment by region, regional analysis covers
    North America (United States, Canada, and Mexico)
    Europe (Germany, France, United Kingdom, Russia, Italy, and Rest of Europe)
    Asia-Pacific (China, Japan, Korea, India, Southeast Asia, and Australia)
    South America (Brazil, Argentina, Colombia, and Rest of South America)
    Middle East & Africa (Saudi Arabia, UAE, Egypt, South Africa, and Rest of Middle East & Africa)
    The content of the study subjects, includes a total of 15 chapters:
    Chapter 1, to describe Oil Immersed Grounding Transformer product scope, market overview, market estimation caveats and base year.
    Chapter 2, to profile the top manufacturers of Oil Immersed Grounding Transformer, with price, sales quantity, revenue, and global market share of Oil Immersed Grounding Transformer from 2020 to 2025.
    Chapter 3, the Oil Immersed Grounding Transformer competitive situation, sales quantity, revenue, and global market share of top manufacturers are analyzed emphatically by landscape contrast.
    Chapter 4, the Oil Immersed Grounding Transformer breakdown data are shown at the regional level, to show the sales quantity, consumption value, and growth by regions, from 2020 to 2031.
    Chapter 5 and 6, to segment the sales by Type and by Application, with sales market share and growth rate by Type, by Application, from 2020 to 2031.
    Chapter 7, 8, 9, 10 and 11, to break the sales data at the country level, with sales quantity, consumption value, and market share for key countries in the world, from 2020 to 2025.and Oil Immersed Grounding Transformer market forecast, by regions, by Type, and by Application, with sales and revenue, from 2026 to 2031.
    Chapter 12, market dynamics, drivers, restraints, trends, and Porters Five Forces analysis.
    Chapter 13, the key raw materials and key suppliers, and industry chain of Oil Immersed Grounding Transformer.
    Chapter 14 and 15, to describe Oil Immersed Grounding Transformer sales channel, distributors, customers, research findings and conclusion.

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