Profile: Jetline Engineering is a precision fabricator of welded assemblies for the airline industry. Our products include 9500 system controller, automatic seam welders, circumferential welding lathes, CSC MIG weld process controller, cold wire TIG feeder and hot wire TIG process. Our seam welders designed for all straight line, linear welding applications. Our TKB style sidebeam used for light duty linear automation applications.