ZOZEN's 4-ton biomass boiler is an efficient, energy-saving, and environmentally friendly boiler equipment that uses biomass pellets as fuel and is a very sustainable energy choice. This boiler features advanced design and easy operation, with automatic feeding, ignition, regulation, and ash removal functions, making it more convenient to use. We currently have a sufficient inventory of ZOZEN 4-ton biomass boilers in stock. These boilers are stable and reliable in performance and are very suitable for hot water and heating systems in various fields such as factories, hotels, schools, and farms.