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Founded in 1939 in Gerzat, France, Société Métallurgique de Gerzat (SMG) has been producing high-quality aluminium alloy cylinders for compressed gases for more than six decades. Millions of SMG cylinders are in use around the world in a wide variety of services, including life-support for firefighters and emergency response personnel, medical systems, fire extinguishers, beverage dispensing, and aerospace and defence applications.

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