Global Flexible Heater Market By Type (Silicone Rubber Heaters , Polyimide Film Heaters , Heating Tapes with Thermostats , Rope Heaters , and Gas Cylinder Heaters), By Application (Medical , Automotive , Food , Electronics , and Energy), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029