... (DZL)Product Introduction:1, adopts cast-iron stoker, big furnace design activities, manual, gleaming adaptability, coal, fuel wood, wood scraps ... boiler, organic heat transfer material heater boiler, fuel, gas boiler, electrical heating boiler2.Automatic water softener equipment.3.HW ... use non-standard pressure vessel.6.2-200 cubic liquid gas tanks, liquid carbon dioxide, liquid ammonia tank, storage ...