OUR MANUFACTURER HAVE BEEN PRODUCING REGULATORS, 1)OXYGEN REGULATOR 2)ACETHYLENE REGULATOR 3)LPG REGULATOR 4)CO2 REGULATOR WITH FLOWMETER & HEATER(110V/220V) 5)ARGON REGULATOR WITH FLOWMETER 6)HELIUM REGULATOR (He) 7)HYDROGEN REGULATOR (H2) 8)NITROGEN REGULATOR (N2)