Guangzhou Huitong Machinery Co., Ltd. on the long arm excavator explanation, description, use, function, life, and configuration; excavator long arm of explanation; plus the long arm excavators please contact Guangzhou Huitong Machinery Co., Ltd; Guangzhou Huitong Machinery Limited production of excavators plus the long arm is most cost-effective manufacturer, specializing in underground long arm, dredging long arm design manufacturing, Land of mechanical excavator is currently for sale plus the long arm, long arm excavators, dredging arm, subway arm the cheapest and most affordable factory Our company can according to user requirements production of various brands of the models of standard size excavator standard arm, two-stage Hitachi (import / domestic) and three-Hitachi excavators plus the long arm (price / Quote) extended the size of the excavator arm, standard standard size excavator arm is the original length of the standard machine production, the standard size of a standard excavator boom is mainly suitable for general excavations and mine stone mining transportation, two-stage excavator plus the long arm can be extended to 13-28 meters, two-stage long arm excavator base is mainly applied to earth and deep cutting and long-distance operations, such as clearing silt excavation; three-excavator arm can be extended to longer size (16-32) m, three-arm excavator extended size is mainly applied to the dismantling and earthwork excavation pit high-rise buildings and other projects. Companies using advanced computer-aided design software, design and user conditions applicable plus the long arm of the drawings; within arm mounting internal baffle plate to withstand tensile load, to ensure that the structural strength of the long arm of the use of performance and quality, extend the excavator and processing of the long arm of life. By gantry CNC plasma cutting machine cutting; large boring machine, lathes, presses, coiling machine, and other advanced machining equipment and skilled welders synchronous operation; hydraulic pipe extended arm configured using acid phosphate to ensure that the clean line; the last extension boom look after sandblasting, scraping putty, spray original paint. Because the focus, so professional; Huitong Machinery specializes in producing standard size excavator arm, plus the long arm excavator bucket.