| 1956 | Mr. and Mrs. René Bonioni set up the company BONIONI, at first specialized in turned parts.
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| 1975 | BONIONI SA begins to focus on cold heading.
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| 1994 | Certification ISO 9002.
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| 1998 | Installation in Brazil with the creation of ALPTEC.
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| 2005 | Certification ISO TS 16949.
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| 2008 | Acquisition of NORMAL-MET in Poland.
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