... ) SIMENS PLC Controller 1, Product Name: Nitrogen Machine/ N2 Gas EquipmentA full installation requires air compressor, ... welding, circumfluence welding, crystal, piezoelectricity, electronic porcelain, electronic copper tape, battery, electronic alloy material, etc. 4, Excellent Energy ... technologies ensure reliable gas supply. 11. Friendly human-machine interface. 5, Main Technical Parameters of ZR-3 ...