trench excavator in planting 1. high Unearthed rate. 2.Manganese steel bit. 3.Drill efficiency 4.ISO9001:2000 Trench excavator in planting Character1. This trench excavator and tractor kit composition.2. Tractor trench excavator issuitable for land, frozen soil, the ice punch. Widely used in gardens, planting, plant trees,geophysical exploration, road construction, etc.3. Tractor trench excavator ...