The long-reach boom has a total length of 12-50 meters, designed for demanding applications such as high-rise building demolition and deep excavation. It is manufactured from high-strength Q355B manganese steel plate, ensuring excellent durability and structural integrity under heavy working conditions.
The color can be customized according to customer preference or to match the base machine model. This boom is ideal for both demolition of tall structures and deep pit excavation.

Defeng Mechanical Manufacturing Limited – Professional Custom Machinery Manufacturer
Located in Guangdong Province, China, Defeng Mechanical Manufacturing Limited is a reputable company specializing in the design, production, and export of high-quality machinery and equipment. The company operates from a modern manufacturing facility covering 3,000 square meters, equipped with four dedicated production lines to ensure efficient and organized workflow.
Defeng takes pride in its skilled workforce, comprising 50 experienced workshop workers who handle fabrication, assembly, and quality control, along with 20 office staff members responsible for administration, engineering, sales, and customer support. This balanced team structure enables the company to maintain smooth communication and high production standards.
With extensive export experience, Defeng has successfully served clients in various countries and regions, adhering to international quality requirements and delivery schedules. A key strength of the company lies in its customer-centric approach. For each order, based on the specific machine model and client requirements, the engineering team first prepares detailed technical drawings. These drawings are submitted to the customer for review and approval before any production work begins. Once approved, manufacturing proceeds according to the confirmed specifications. Upon completion, every product undergoes rigorous testing to ensure performance, safety, and durability. Only after passing all tests is the machine prepared for delivery.
This systematic process—drawing confirmation, production, and final testing—guarantees that every piece of equipment meets customer expectations. Whether for standard machinery or customized solutions, Defeng Mechanical Manufacturing Limited combines technical expertise, quality materials, and responsive service to build long-term partnerships with clients worldwide.
