Heat exchanger is mainly used in heating, cooling, drying, bulking temperature, and other fields.It can be divided to SRL steel aluminum composite finned tube heater, SRZ steel pipe steel finned heater, stainless steel tube aluminum finned heater, stainless steel pipe stainless steel finned heater, brass aluminum finned heater. Heat medium can use hot water, thermal oil, steam, salt water, cold water, etc. It can be used in every field, using the pressure maximum 50 kg.Steel aluminum composite charactrized heater charhigh thermal efficiency, large heat dissipation,small volume, clean air, etc.