N/a manufacturer / supplier in China, offering Tri Ring 8× 4 Pm2.5 Reduction Spray Truck - Fine Mist Technology Lowers Dust by 80% for Urban Air Quality, Tri Ring8× 4 Heavy-Duty Green Spray Truck - Anti-Corrosion Frame + 360° Adjustable Nozzles for Mining/Coastal Areas, Tri Ring 8× 4 Smart Green Spray Truck - 15t Water Tank + IoT-Controlled High-Pressure Nozzles for 30% Faster Road Cleaning and so on.