Waste heat boiler refers to a boiler that heats water to a certain temperature by using the waste heat from waste gas, waste material or waste liquid in various industrial processes and the heat generated by the combustion of combustible substances. Through waste heat recovery, hot water or steam can be produced for use in other sections. Advocating energy conservation and emission reduction, ZOZEN Boiler develops and designs various waste heat boilers, which effectively improves the thermal efficiency of boiler heating system and creates economic benefits for users.