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1905

Start of production of seamless steel cylinders out of tubes

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1925

Start of production of seamless steel cylinders at Milowice Steelworks

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1966

Start of production of welded cylinders

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1991

Initiation of reverse extrusion technology

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1997

New production line for the production of small cylinders in Ostrava

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2008

Start of production of the largest high-pressure steel cylinders in the world using the reverse extrusion method (in 260 L) in Ostrava

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2011

New CNG production line in Sosnovec

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2016

Start of production of hydrogen tanks at 1100 bar

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