... weak pointsRoll-formed MoldboardSmoother discharge, greater distance of thrown snow, less snow over the top of the plow1/2" Tapered ... on highway, urban roads and airports, etc. FeatureCan spread snow melting agent, salt and sand etc, wide, fast and high- ... spreading device has the function of automatic emptying the snow melting agent in the hopperIntelligent control in cab, with memory function ...