... press, hairpin bender, return bender, tube expander, pipe end shaping machine, etc 1.Our high fin ... CE certification.2.Compositions: uncoiler, oil tank, air feeder, straight-side double-crank high-speed precision ... power press, sucker & collector, electric control system, air system, hydraulic system. 3.The slide of power ... etc. is for making heat exchangers. air conditioner heat exchanger fin press line