Portable asphalt heater units( portable asphalt heater   portable asphalt reheated machine   asphalt reheated machine ) is used to heat and soften the asphalt pavement with pits, bubble, localized net-shaped cracking, alligator cracking, covering collapse grounds, heat-joint for treatment on road. Using the "blue flame radiation conduction technology". Pwerful radiation penetration and high efficient thermal raidation; the heating temperature up to 170 degree and heating depth 5 to 10cm within 3 to 8 minutes.