Shandong Dorco Heavy Machinery Co., LTD.

The D51 series vertical ring rolling machineshave advantages such as small size, compactstructure, material saving, and energy saving, andare widely used for hot rolling of various ringblanks in the bearing forging, automotive gear, andflange manufacturing industries.

D53K CNC series horizontal ring rollingmachines have advanced structure, digital program control, high degree of automation, highpro duction efficiency, material saving, energy saving, and other advantages. The D53K CNC ringrolling machine has radial and axial bidirectional composite rolling functions.

Spiral welded pipe line is based on GermanyWe design and manufacture forming processing:this pipe line after investigating many foreign pipelines and combined with domestic situation