Advantages:
1.The portable heater was designed to require very low maintenance.
2.It was equipped with efficient solar energy panel.
3.Compared with the traditional method, the portable heater is low spending.
4. The portable heater can heat the asphalt surface to 140--150℃ in 5mins,the depth can reached 4cm to 6cm.
5.The working temperature is between 140-150℃,it won’t burn the road surface.
6. The portable heater uses a radiant blue-flame type of heat to warm the asphalt's surface.