Excavator Boom Attachments Long Reach Excavator Boom Arm For HD450 HD550 , Komatsu Long Arm Excavator


The excavator extension arm is a product that is highly praised at home and abroad, and it is also the most classic product for excavators with multiple functions. A product that is used all over the world, and this product is recognized by the world, I have to say that the charm of this product lies. So far, there is no clear national standard to restrict this product in China, and it is all modified based on experience. This product was introduced into China in the 1990s and has been around for more than 20 years. It has changed from a noble product to a civilian product. In terms of processing technology and design, China has fully mastered it, and the manufactured extension arm is also similar to Imported extension arms are of comparable quality.

Advantages:

✅ Q355B for ear seat
✅ The middle sleeve of the boom adopts an integral forming process
✅ Flexible steel sleeve, convenient for maintenance and replacement
✅ Reinforced 45# steel for boom middle sleeve
✅ Smooth and full weld
✅ Acid cleaning and phosphating after welding
✅ Adopt high quality Ningbo connectors

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Email：    sophia@excavatorboomarm.com