HOWO 8x4 Synchronous Chip Sealer with 9CBM Asphalt Tank
HOWO 6x4 Synchronous Chip Sealer with 8CBM Asphalt Tank 12CBM Chip Bucket. Synchronous chip seal truck is one of the most successful road-resurfacing methods, designed to extend the life of a road's driving surface. The chip seal process involves applying a layer of asphalt emulsion and aggregate rock over the road.