| For download please right-click on the link and choose "Save target as ...". |
| Certificate | Date | Format | Size | |
| DQS-Certificate WECO Contact GmbH, German | November 2011 | ca. 690 KB | ||
| DQS-Certificate WECO Contact GmbH, English | November 2011 | ca. 690 KB | ||
| DQS-Certificate WECO Contact GmbH, French | November 2011 | ca. 690 KB | ||
| IQNet-Certificate WECO Contact GmbH, English | November 2011 | ca. 90 KB | ||