HW300 model hand-driven milling machine is a small, multi-functional, lightweight ground machine that integrates milling, brushing, cleaning, and planing. It is widely used to refurbish old pavements and brush the bridge deck. Elevation, leveling and milling of bridge decks and track base plates; milling and leveling of highways, bridge decks, and uneven places; cleaning of various road markings; refurbishing and polishing of damaged ground; pollution treatment; urban Treatment of concrete grounds in viaducts, public squares, airport runways, large factories, logistics warehouses, etc .; as well as construction and operation of highway municipal maintenance, asphalt pavement.