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The drum is slotted. The high and low speed ends of the drum are ventilated pneumatic clutches. The brake wheel network (or brake disc) is forced to cool by circulating water, and the surface is quenched by intermediate frequency, which has good wear resistance and long service life.

The derrick type is generally divided into A type, K type (front opening type), tower type and mast type, etc.

Cementing dual machine features: all-weather oilfield cementing equipment to meet the needs of different operating areas such as land, sea and desert, and adapt to harsh environments such as extreme cold and extreme heat.

Features of single cementing machine: all-weather oilfield cementing equipment can meet the needs of different operation areas such as land, sea and desert, and adapt to harsh environments such as extreme cold and extreme heat; AMS dual-variable intelligent and electronically controlled slurry mixing system, with precise density control, leads the forefront of cementing mixing technology;

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