Ana danna Fin ta layin latsa fin kuma ana danna ƙarshen farantin ta layin latsa wutar lantarki azaman pretreatment, yayin lankwasawa, yankan, da karkatar da bututun aluminum ta Auto Al Tube Bending Machine da Skew da nadawa Flattening Machine. Sannan ana shigar da bututu ta hanyar fadada bututun tashoshi biyu ta hanyar Insert Tube da Injin Fadada don dacewa da bututun da fin. Bayan haka, na'ura mai ba da hanya tsakanin hanyoyin sadarwa tana welded da Cooper Tube da Aluminum Butt Welding Machine kuma ƙarshen farantin yana haɗuwa da na'ura mai haɗawa ta Side Plate. Bayan Na'urar Gwajin Leakage Ruwa ta gano na'urar, injin wanki da na'urar busawa ta rage rage naúrar.