Horizontal 4 ton steam boiler wood fired boiler manufacturers Package:Nude biomass boiler wood steam boiler, coal steam boiler, steam boiler for textile industry 1.one set 1ton steam boiler should be packed into one 40HQ 2.one set 2ton biomass wood fired steam boiler should be packed into one 40OT 3.one set 4ton industrial boiler with biomass fuel should be packed into one 20feet flat rack and 20ft container