... Screw(ATLAS) 1 set, Air pre-cooler system 1set,Molecular sieve purifier system 1set,Increase-pressure turbine expander , Rectification column ... system 1 set ,Electrically controlled system 1 set,liquid nitrogen vaporize and filling system 1 set,Cryogenic liquid ... filling unit 1 set,Pipe and valve 1 set. Low-voltage distributor 1 set.Electric wire and cable 1 set.Spare ...