... , produce hot water steam, hot air and life water through heat exchange Heat-conduction oil boiler is a kind ... produce hot water steam, hot air and life water through heat exchanger. 6. Organic heat carrier heating system is liquid closed ... extrusion, Vulcanization 4. Fiber: synthesis, melting, Spinning, Molded, Solid heat, drying extension5. Carbon: melting asphalt, impregnation, mixing, molding6. ...