| 1980/1983 |
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- International Technical Support established with Japanese companies (Funabashi Steel and Nippon Steel)
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| 1984 |
- Beginning of the Gerdau Standardization System
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| 1985 |
- Creation of Work Groups
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| 1988 |
- Total Quality Awareness Seminar organized by Vicente Falconi Campos for the Board of Directors
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| 1989 |
- Formal adoption of Total Quality Control tools
- Quality Seminar organized by Vicente Falconi Campos for all Gerdau executives
- International Technical Support (Badische Stahlwerke)
- Elaboration of a Human Resources Plan
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| 1990 |
- Total Quality control tools are incorporated as part of the Management System
- Quality Training Program begins
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| 1993 |
- The Gerdau Management System is revised and improved
- Development of Guidelines systematically applied
- Gerdau Aços Especiais Piratini obtains ISO 9000 certification
- Adoption of 5S principles
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| 1994 |
- Gerdau Cotia obtains ISO 9002 certification
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| 1995 |
- Work Group Recognition System implemented
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| 1996 |
- Implementation of the METAS Program (profit sharing program)
- Gerdau Cosigua and Gerdau Riograndense obtain ISO 9000 certification
- Gerdau Riograndense awarded Bronze Quality Trophy in the state of Rio Grande do Sul, Brazil
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| 1997 |
- Changes made to the Management System
- Creation of the Cell Organizational Structure
- "Operator-Focused Management" Project begins- Integration between Planning and the Quality Management System - "Integrated Maintenance" project begins
- Gerdau Riograndense awarded Silver Quality Trophy in the state of Rio Grande do Sul, Brazil
- Aços Especiais Piratini awarded Bronze Quality Trophy in the state of Rio Grande do Sul, Brazil
- Gerdau Laisa (Uruguay) receives National Quality Award
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| 1998 |
- Gerdau Riograndense and Gerdau Aços Especiais Piratini awarded Silver Quality Trophy in the state of Rio Grande do Sul
- Gerdau Ameristeel Cambridge obtains ISO 9001 certification
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| 1999 |
- Implementation of SAP R/3 system
- Gerdau Quality Award launched (based on National Quality Program excellence criteria)
- Gerdau Barão de Cocais joins the National Quality Program
- Gerdau Aços Especiais Piratini obtains QS 9000 certification
- Gerdau Riograndense and Gerdau Aços Especiais Piratini awarded Gold Quality Trophy in the state of Rio Grande do Sul
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| 2000 |
- Gerdau Barão de Cocais obtains ISO 90001 certification
- Gerdau São José dos Campos and Sipar Gerdau obtain ISO 9002 certification
- Management through Processes program begins
- 2nd issue of the Gerdau Quality Award
- Adoption of Six Sigma methodologies
- Gerdau Aços Especiais Piratini joins the National Quality Program
- Gerdau Aza (Chile) receives National Quality Award
- Gerdau Usiba awarded Gold Quality Trophy in the state of Bahia
- Gerdau Cosigua wins Silver Quality Medal in the state of Rio de Janeiro
- Implementation of the Gerdau Total Quality Program begins in Argentina (SIPSA/SIPAR)
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| 2001 |
- 3rd issue of the Gerdau Quality Award
- Gerdau Aços Especiais Piratini takes part in the 2001 National Quality Award
- Expansion of Six Sigma methodology
- Gerdau Laisa obtains ISO 9001 quality certification
- Gerdau Laisa receives Uruguay’s National Quality Award
- Implementation of the Gerdau Total Quality model begins at Gerdau Ameristeel
- Gerdau Cosigua wins silver at the Rio Quality Award
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| 2002 |
- Gerdau Aços Especiais Piratini wins the 2002 National Quality Award
- Gerdau AZA wins the Ibero-American Quality Award
- Gerdau Ameristeel Cambridge obtains ISO 14001 certification
- Gerdau Açonorte wins silver at the Pernambuco Quality and Management Award
- Implementation of new Corporate Governance, including the Management Technology process
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| 2003 |
- Gerdau Aços Especiais Piratini awarded Diamond Quality Trophy in the state of Rio Grande do Sul
- Gerdau Açonorte awarded Gold Trophy at the Pernambuco Quality and Management Award
- Gerdau Riograndense, Gerdau Divinópolis, Gerdau Cearense and Sipar Gerdau obtain ISO 9001:2000 certification
- Gerdau Aços Especiais Piratini obtains ISO/TS 16949 certification (norm for automotive industry)
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| 2004 |
- Gerdau Riograndense awarded Diamond Quality Trophy in the state of Rio Grande do Sul
- Gerdau Cosigua and Gerdau Açominas obtain ISO 14001 certification
- Gerdau Ameristeel Jackson obtains ISO 9001:2000 certification
- Gerdau Laisa obtains OHSAS 18001 certification
- Gerdau Cotia awarded São Paulo Management Quality Award
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| 2005 |
- Gerdau Aços Especiais Piratini obtain ISO 14001 certification
- Gerdau Açonorte obtains ISO 9001:2000 certification
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| 2006 |
- Gerdau Açonorte obtains ISO 14001 certification
- Gerdau Cearense obtains ISO 14001 certification
- Gerdau Guaíra obtains ISO 14001 certification
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