The telescopic arm has been enhanced with three sections, providing improved functionality and efficiency. Here are the key improvements:

• BS900 Material: The arm is made with BS900 material, which significantly reduces weight, lowers loads, improves fuel efficiency, and speeds up operation.
• Auxiliary Rope and Bucket Design: There is an optional design for the arm that includes an auxiliary rope and bucket. This versatile design is suitable for both grapple and bucket use, providing more flexibility and functionality.
• Larger Pulleys and Thicker Cables: The arm features larger pulleys and thicker cables, allowing for higher load capacity, longer lifespan, and better stability.
• High-Quality Materials: The wire rope and Japanese-imported bearings utilized in the arm are of high quality, ensuring superior performance under any conditions.
• Easy Maintenance: The arm is designed for easy maintenance, with wire rope and hose replacement achievable without disassembling the boom. This makes the arm very user-friendly in terms of upkeep and maintenance.

The excavator telescopic arm is a specialized working device that is installed on the excavator arm. It is used to increase the working radius and vertical deep digging range of the excavator. This increases the overall flexibility of the excavator, making it suitable for a variety of tasks. The application fields of the telescopic arm are very wide and can be used in the following aspects:

• Urban road construction: The telescopic boom is very flexible and efficient, making it perfect for the construction of urban roads. It can easily adapt to the complex urban environment.
• Tunnel engineering: During tunnel construction, the telescopic arm can easily change its length to meet different construction needs.
• Pipeline laying: The telescopic arm's unique design allows it to cope well with various depths and angles during pipeline laying.
• Ocean engineering: In ocean engineering, the telescopic arm can be used for deep sea operations, thanks to its larger digging radius and reasonable loading height.

• Building construction: The telescopic arm is useful for handling various complex excavation tasks during building construction, thus improving efficiency.
• Road and bridge construction: The telescopic boom can adapt to narrow construction spaces and provide efficient solutions for the construction of roads and bridges.
• River construction: The telescopic arm is suitable for handling excavation tasks in deep water areas, ensuring quality and timely completion of construction projects
• Specific application examples: Examples of specific tasks that the telescopic arm can perform include municipal construction, subway construction, foundation pit, river dredging, and caisson digging. The 14m two-stage telescopic boom is efficient in such specialized applications.