ZOZEN ZZ series medium-temperature and medium-pressure gas-fired steam boiler adopts "D" type 2 passes. It is double-drum natural circulation water tube boiler. The flue gas turns at the back of the furnace, enters the convection tube bundle of the second pass, then leaves the boiler body, and enters the economizer and condenser in sequence.
ZOZEN YLW series horizontal thermal oil heaters have wide fuel adaptability, applicable to a wide range of fuels including bituminous coal, anthracite and biomass particles; they adopt the design of square coil for sufficient heating surface, which is safe and efficient, and the thermal efficiency is leading in the boiler industry.