To meet the demand for stable steam in PVC compounding, pelletizing, drying, and extrusion for cable manufacturing, ZOZEN Boiler has supplied a 2 t condensing SZS series gas-fired steam boiler to a PVC manufacturer. Centered on high-efficiency heat transfer and all-round energy saving, the unit enables rapid start-stop, stable steam supply, and low-NOx emissions, significantly reducing unit energy consumption and overall operating costs.