Introducing the ZX130 excavator sliding arm, made from high-quality Q355B material and suitable for 20ton 30ton excavators, perfect for caisson foundation tunnel jacking municipal engineering, with a customizable length of 9M, 10M, or 12M, and a bucket capacity of 0.5cbm, this product is designed for deep space working conditions, and is available in a range of colors, welcome to visit our website!