... road sweepers: YHQS5050A JMC chassis road sweeper is designed to clean up freeways, trunk highways, county roads, urban roads, scenic spot roads ... , and airport roads. It works by picking up gravel, rind, scrap of paper, cigarette end, kernel, plastic bag ... with oversized three layers of filter system, dust filtering ratio up to 99.99%, extending engine's life.7. The hydraulic ...