طلبات التشييد والبناء / سيشيل

I am looking for a an plant capable of producing industrial oxygen ( at least 99.5 % purity, medical oxygen, industrial nitrogen ( 99.5%) and liquid nitrogen all from teh same plant.Oxygen production capacity shoule be 50 cubic meters per hour and bottled at 200 bars. Niitrogen production 17 to 20 cubic meters per hour . We want teh plant that produces the gases and the liquid nitrogen