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.

Hitachi 690 excavator equipped kaiyuanzhichuang Rock Arm

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

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PRODUCT ADVANTAGES

01
The highlight of the Kaiyuan rock arm installed on Hitachi 690 excavator is its most advanced kaiyuanzhichuang diamond arm.

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
Tailored to meet the demanding demands of mining and rock excavation, the Hitachi 690 equipped with Kaiyuan excavator rock arm is a reliable, efficient solution.

Its solid construction ensures durability and longevity, while its advanced features guarantee superior performance. Designed with the operator in mind, this excavator features user-friendly controls and a comfortable cab for optimum comfort and ease of use. Its energy-efficient engine and smart technology help reduce operating costs, making it a cost-effective choice for your business.

WHY CHOOSE OUR PRODUCT

All in all, the Hitachi 690 excavator equipped with the Kaiyuan Rock Arm is a game changer in the field of mining and rock breaking. With its unrivaled performance, reliability and efficiency, it is the ultimate partner for crushing rock and mining coal. Experience the power of the Hitachi 690 excavator and see how it can transform your operation. Choose Kaiyuan and set new benchmarks in your industry.