Significant economic benefits,
the purchase of the machine,
less investment,
quick effect,
a machine is artificial 50-60 times,
a small excavator dozens of times.
Widely used in the field of open rectangular line trench laying tap water pipelines or irrigation, cable, natural gas pipelines, cable television, fiber communication and the cultivation of yam, etc.

Good quality, long service life, imported alloy blades and chain using special materials and manufacturing process, long service life, suitable for concrete, asphalt pavement, permafrost any hard soil, is ordinary fierce 3-5 times of the service life of the tool chain and all kinds of excavators, tractors)