Global Transformer Market By Type (By Cooling Pattern:, Dry, Oil, Fluoride, By Moistureproof Pattern:, Open, Potting, Sealed, By Phase:, Single-Phase, Three-Phase, and By Winding Pattern:), By Application (Power Industry, Metallurgy Industry, Petrochemicals Industry,and others), By Region and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028