CBK-S solid fuel series is powered by our own patented technology, the burner. Those of us who are 9% more efficient than their competitors will be earned for minimal use. 1-20 tons of steam production capacity 1-18 bar rental Maximum efficiency among solid fuel boilers 87-88% Special design 3-pass design Flue gas emulsion (Excluding sources) Please you send a message us your e-mail for details or prices.