Global Heating Element Market By Type (Immersion Heaters, Tubular Heaters, Circulation Heaters, Band Heaters, Strip Heaters, Coil Heaters, Flexible Heaters, and Other Types), 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