Datang Corrosion Resistant Fin Tube Welding Mill Machine Pipe Roll Forming Machine. Dual-Circular Key Structure: Advanced tool holder design withstands torque and ensures accurate displacement. Split Type Tool Holder: Easy blade debugging, washing, and installation with split type design. Hydrodynamic Bearings: Spindle bearing uses conical hydrodynamic sliding bearings for max utilization. Wide Material Compatibility: Suitable for Aluminum, Carbon Steel, and Copper base tube materials. Flexible Customization: Motor and fin parameters can be customized to meet specific requirements. High Efficiency Production: Rolling fin efficient with durable blades and average speed of 500mm/Min. Versatile Fin Options: Produces single or double-metal finned tubes with various diameters and pitches. ISO9001 Certified Quality: Manufacturer with ISO9001:2015 certification and 100% product inspection.