01

Road construction

01

Road construction

Diamond arm is an excavator accessory used in road construction projects, specially used for excavating cracked rocks, medium-strong wind fossils, hard clay, shale and karst landforms. By virtue of its powerful function, it greatly improves the efficiency of road-breaking rock construction.
02

House construction

02

House construction

Diamond arm is an excavator accessory used in house construction projects, which is specially used to excavate cracked rocks, medium-strong wind fossils, hard clay, shale and karst landforms. With its powerful function, it greatly improves the efficiency of rock breaking construction.
03

Mining

03

Mining

The diamond arm is suitable for mining in open pit coal mines and the ore with Platinell hardness coefficient below F=8. High mining efficiency and low failure rate.
04

Permafrost stripping

04

Permafrost stripping

The King Kong arm is a powerful excavator specially used for frozen soil stripping. Its powerful power and high efficiency provide a great help for geological excavation and resource development.

Doosan 800 excavator equipped kaiyuanzhichuang Rock Arm

As shown in the picture: Rock arm (also known as rock arm or split type rock arm), installed on the Doosan 800 medium and large excavator, widely used for rock stripping and mining. The rock arm is designed by ourselves, with design features including: designed large and small arm torques, designed large hydraulic cylinders, designed limiters, and designed durable loosening hooks. Our users are located in over 5000 regions worldwide.

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PRODUCT ADVANTAGES

01
The Doosan 800 excavator is equipped with Kaiyuan rock boom that exudes unrivaled strength and durability.

Kaiyuan Rock Arm, as a multi-purpose modified arm, is suitable for mining without blasting, such as open-pit coal mines, aluminum mines, phosphate mines, sand gold mines, quartz mines, etc. It is also suitable for rock excavation encountered in basic construction such as road construction and basement excavation, such as hard clay, weathered rock, shale, rock, soft limestone, sandstone, etc. It has good effects, high equipment strength, low failure rate, high energy efficiency compared to breaking hammers, and low noise. Rock Arm is the first choice for equipment without blasting conditions.
02
Why settle for mediocrity when you can have the extraordinary?

The Kaiyuan excavator rock arm is designed to exceed your expectations, giving you the power and precision you need to get the job done efficiently. Its state-of-the-art technology ensures maximum productivity while minimizing downtime, enabling you to complete projects ahead of schedule.

WHY CHOOSE OUR PRODUCT

Don’t miss this chance to take your construction game to the next level. With the excavator rock arm, you can tackle any rock breaking challenge with confidence. Its unmatched performance and reliability make it the first choice of construction professionals worldwide. Unleash the true potential of your projects with the extraordinary capabilities of the Kaiyuan Rock Arm!