Searching For Dual Side Fillet Welder Of U-Rib?? Here Comes Koweld, With Its Rail-Less Travelling Welder. - Koweld CS-81 Selectable Single or Dual Side Welding and Adjustable Arm Height of The Welder as Per the Size Of U-Rib. The Inbuilt Tension Slide Traces the Welding Line Constantly to Obtain High-Quality Welding. Offers The Guide Roller to Move on The Side Plate to Achieve the Constant Arc Height in Welding While the Welder Travels on the U-Rib. High Quality Welding and Longer Life Span of The Welder Is Achievable by Its Constant Drive Speed with Minimized Gear Backlash Feature. For More Details Contact Weldflow Engineers