The self-aligning welding rotator is based on the advantages of similar products at home and abroad, as well as the combined requirements of various boiler pressure vessel companies. It is professional equipment for the manufacturing of boilers and pressure vessels and is frequently used for welding metal tanks. Its benefits include cutting-edge technology, dependable quality, simple operation, etc. An individual driving frame and an individual driven frame make up the self-aligning welding rotator. Every piece has four wheels. The driving wheels are the four wheels on the driving frame. Rotators powered by a single motor and less than 20T. More than 20T, double-motor driven on all rotators.