Global Flexible Heater Element Market By Type (Silicon Rubber-based Flexible Heater , Polyimide Based Transparent Flexible Heater , Polyester Type Flexible Heater , Mica-based Flexible Heater , and Others), By Application (Chemical&Plastics Industry , Pharmaceutical Industry , Transportation , Appliances , and Others), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029