Banghua International Granulation Engineering Co.,Ltd is specialized in the hot air furnace,heat exchanger technology research,development,design,production, installation,commissioning and other engineering contract.Relying on our own scientific and technological strength,we always commit to advanced stove,heat exchangers and other equipment design and manufacturing technology development. Self-developed direct coal (biomass)-fired hot air furnace and indirect coal (biomass)-fired hot air furnace which has hit the leading domestic level,are widely used in heating,drying,reaction, calcined and other industries.