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1931
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The first container glass manufacturing workshop was founded in Sofia, further on to grow
into STIND S.A., with three glass-melting furnaces.
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1960
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DRUJBA S.A. was established in Plovdiv. Two workshops producing container glass were commissioned.
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1961
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A third container-glass workshop was put in operation. |
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1976
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DRUJBA S.A. was an innovation leader in its country, being the first company of the industrial sector
to adopt a total Quality Assurance System.
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1997
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YIOULA GLASSWORKS S.A. acquired STIND S.A. |
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1998
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YIOULA GLASSWORKS S.A. acquired DRUJBA S.A. |
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2000
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A completely new facility, resulting from a major investment in equity, equipment and personnel
training, was launched in STIND, Sofia, of a 90,000 t annual capacity of container glass.
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2003
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STIND S.A. and DRUJBA S.A. merged into DRUJBA GLASSWORKS S.A.
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Both facilities in Sofia and Plovdiv were certified under ISO 9001-2000 by Lloyd’s Register.
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2004
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A new glass-melting furnace was commissioned in Plovdiv of 130,000 t annual output.
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2005
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DRUJBA GLASSWORKS S.A. was certified under HACCP and ISO 22000 (the first certified company in the industrial sector).
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