1) RT series thermal melting glue spreader 2) An AC converter control is used for both speed and quantity of glue feeding, for which both automatic synchronous tracking are available 3) The advanced PID control is used for the temperature control system and the error is within 4) The expansion of the applicable range of the basic materials is made available with the cooling device 5) The adhesion-proof coated layer with the glue-melting box effectively