10-300,000 kcal ◎ Ground computer control and digital display control system (two kinds). ◎All stainless steel combustion chamber, thermal efficiency up to 90%. ◎ It is designed with high-temperature resistant 321 (1Cr18Ni9Ti) stainless steel plate and pipe, double air inlet and double air outlet. ◎ Italian Riello original burner. ◎Special energy-saving three-way design; The unique integral thermal insulation design minimizes heat loss. ◎Widely used in greenhouses, chicken coops, pig houses for heating; Drying of wood, tea, medicinal herbs, and food; Heating of mines and plants.