Global Coal Fired Boiler Market By Type (Circulating fluidised bed (CFB) boiler , SZL Series Boiler , DZL Series Boiler , SHL Series Boiler , SHH Series Boiler , and Pulverised coal tower type boiler), By Application (Power Generation , Oil and Gas , Chemicals and Petrochemical industries , Schools , and Hospitals), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029