This Equipment Combined By Main Upper Cylinder, Upper Pressure Rack horizontal Rack, Hydraulic System And Electric System. Cylinder Piston Rod Move Freely In The Rack, Ensure That The Walking Motion Partial .Upper Pressure Rack Can Press The Pipe, Horizontal Rack Has Many Groups Of Card Board To Ensure That The Steel Rods Can’t Be Rotate. With Different Kinds Of Specifications Tools, It Can Neck Pipe With 220mm Diameter And 6mm Below Thickness.

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