Chip Sealer | METONG Road Construction Machinery- ZQZ5250GWTB Sprayer Asphalt Plant Synchronous Chip Sealer for Road Maintenance ,LMT5311TFC Chip Sealer Synchronous chip sealer is developed by Metong in accordance to international standards. It is widely used in road constructions. It can spray asphalt and aggregate simultaneously and as well spray separately.Chip Sealer Working in Argentina - YouTube · Synchronous chip sealer is developed by Metong in accordance to international standards. It is widely used in road constructions. It can spray asphalt …