
Straightener Suitable for 4-7 mm Wire Diameter Electric Traction Metal Steel Pipe. Dual-Plane Roller System: Features 5 vertical and 5 horizontal rollers for precise straightening. Wide Wire Diameter Range: Suitable for processing wire diameters from 4mm to 7mm. Durable Nickel Plating: Iron material with nickel plating and 55-58 roller hardness. Versatile Groove Options: Available in U, V, and R groove configurations. OEM & ODM Support: Professional design team supports custom manufacturing projects. Factory Direct Pricing: Short lead time and competitive pricing from direct manufacturer. Comprehensive Testing: Includes machinery test reports and video outgoing inspection. Professional After-Sales: 24/7 support via phone, Google Talk, Facebook, and Skype.