Global Optical Fiber Preform Manufacturing Equipment Market By Type (Core Deposition System, Clad Deposition System, Core Sintering System, Clad Sintering System, Preform Soaking System, and Rod Draw System), By Application (Core manufacture, and Cladding manufacture), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028