The product has beautiful appearance, high configuration, superior performance, low fuel consumption and wide operating range. It is suitable for small space construction operations such as loosening of land in vegetable greenhouses, landscaping of municipal departments, digging pits for planting trees in orchard nurseries,  crushing of concrete pavement and mixing of sand and stone materials. Quick-change joints can be used to reduce maintenance and operation costs, liberate labor, increase mechanization, low investment and high return.