Lub Bimetallic extruded finned tube ua tshuab yog siv los ua cov finned tube nrog ib qho zoo heev fin-rau-tube daim ntawv cog lus muab kev ua haujlwm tshwj xeeb thiab ua haujlwm ntev.Txawm hais tias qhov kev pabcuam ntxhib, qhov kub thiab txias, lossis ib puag ncig corrosive, extruded fin tube yog qhov kev xaiv zoo tshaj plaws rau kev siv hluav taws xob.