heat exchanger coils have tube-in-tube structure and rugged inner tube surface.due to this effective designing,heat exchanger coils are widely applied on condenser,evaporator and heat pump,hvac, refrigeration units,medical or food processing and marine refrigeration/air-conditioning equipment when used corrosion resistance materials. benefits from the products: 1.increased heat transfering rate; 2.prohibit solid formation of fluid; 3.helpful to evaporator oil collection; 4.fitable to various connections; 5.specialized in heat pump; 6.saving space; 7.more durable; 8.easier installation; 9.easier clean; your requirements will be met by strictly inspection,professional technology solutions,manufacturing flexibility,customized and value-added services.we will be glad if you would like to be our dealer,contributor,clients,or cooperation partner in the near future. note:oem service is acceptable. for more details or further arrangements ,please feel free to contact us. thanks again.