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| Certificate | Date | Format | Size | |
| DQS-Certificate WECO Contact GmbH, German | January 2010 | ca. 1,00 MB | ||
| DQS-Certificate WECO Contact GmbH, English | January 2010 | ca. 1,00 MB | ||
| DQS-Certificate WECO Contact GmbH, French | January 2010 | ca. 1,00 MB | ||
| IQNet-Certificate WECO Contact GmbH, English | January 2010 | ca. 1,00 MB | ||