2023
Ring Alliance Ringbuchtechnik is acquired by Austrian RAG Group – with the aim to continue the success of the company.

2016
Bensons BV is integrated in Ring Alliance Ringbuchtechnik.
Both companies join their strengths – for the greatest benefit of their
customers.

2003
Robert Krause, former Ring Max, joins Ring International Holding.

2003
Hungarian production site of Koloman Handler takes over the whole production from Vienna.

2002
Bensons – having a global footprint (The Netherlands, UK, France, USA and Singapore) – joins Ring International Holding.

2001
Ring International Holding acquires Koloman Handler and
its Hungarian subsidiary.

1998
Following three generations of family-ownership, Koloman Handler is
sold to an investors.

1995
Automated production is started in the Hungarian production plant.

1992
The Hungarian subsidiary of Koloman Handler is established.

1922
Koloman Handler builds his first production plant for ring binder
mechanisms in Vienna.

1915
Invention of the first ring binder mechanism by Koloman Handler providing a solution businessmen were looking for at this time: making books more „durable“. This is how the „eternal book“ – the ring binder – was born.

1900
Koloman Handler is founded in Austria and starts with the
production of metal book corners.