The automatic longitudinal seam welding machine is an essential part of the steel drum production line, designed for high-efficiency welding of drum body seams. Equipped with automatic feeding, precise positioning, and stable welding control systems, it ensures strong, uniform, and high-quality seam welding results. This machine is suitable for manufacturing 200L steel drums, chemical drums, oil drums, and industrial metal containers, helping manufacturers improve production efficiency and reduce labor costs. It features reliable performance, easy operation, and compatibility with complete automatic steel drum production lines.