DN-JRFQ series high effective fuel gas hot air furnace is a bran-new one. It is designed and developed by this company based on digesting and absorbing abroad all kinds of hot air furnace and adapting international advance fuel gas burner and using computer program. The indirect heating to air guarantees the purification of heated air:
__Thermal efficiency 80%, low operation cost
__Compact: Occupies less area
__It is not necessary to maintain: Without trouble fully
__ Dongneng's technique: Powerful safeguard