SZS type water tube oil and gas fired boiler is the advanced technology imported from ABB-CE Company by SFBW in 1995. It leads the current technology trend in China and is widely used for oil, gas and oil/gas mixed combustion. Through the digestion and absorption of the imported 80t/h steam boiler technology, now we have the boiler products of 6-100t/h steam series and 7-70MW hot water series. As one of the leading products, it is widely welcomed by users both at home and abroad.