Global Resistance Spot Welding Heads Market By Type (Manual/Pneumatic Weld Heads , Electromagnetic Weld Heads , and Motorized Weld Heads), By Application (Battery Pack Welding , Auto Circuitboard , Crystal , Cauterizing Tool , Motor Armature , and Hard Disk Drive Lead Frame Assembly), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028