The automatic decoiling and leveling machine is an essential material preparation unit for steel drum production lines. It is designed to unwind steel coils and continuously level the sheet material before cutting, punching, rolling, and forming processes. By removing coil deformation and improving sheet flatness, the machine provides stable and accurately prepared material for subsequent drum manufacturing operations. The system can integrate a hydraulic or mechanical decoiler, multi-roll leveling unit, feeding mechanism, and automatic control system. Adjustable leveling parameters allow the equipment to handle different steel coil widths and material thicknesses according to production requirements. Suitable for steel drum manufacturing, chemical barrels, oil containers, and other metal packaging applications, the machine supports continuous material feeding and helps reduce manual handling. It can be connected with shearing, punching, forming, and conveying equipment to create an efficient coil-to-drum production process, improving material utilization, processing accuracy, and overall production efficiency.