1.Standard environmental protection national 5 engine, intercooled supercharged, automatically air-cut brake, high and low speed driving.

2. Hydraulic double-section outriggers, extra-large outrigger span, larger working range and safer. The outrigger cylinder is ejected with small clearance.

3. Increase the slewing support of the external gear turntable, making the slewing action more stable and safer.

4. U-shaped section of the arm body, anti-twist design, more uniform force, better telescopic guidance, more stable telescopic.

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