PRODUCT CERTIFICATIONS AS LISTED IN PART DESCRIPTION (IF APPLICABLE) – TEST RESULTS AS LISTED IN PART DESCRIPTION – MATERIAL CERTIFICATES FOR TRACEABLE COMPONENTS – STANDARD EQUIPMENT OR SYSTEM DRAWING(IF APPLICABLE) – STANDARD INSTALLATION, OPERATION, AND MAINTENANCE MANUAL – STATEMENT OF ORIGIN AND CONFORMITY TO CUSTOMER PO – ELECTRONIC COPY DELIVERED VIA EMAIL OR WELKER WEB PORTAL

Is your supply chain ready for the next recession?
Find out how to anticipate and know the best way to prepare for crises by creating a culture of resilience and adaptation to new scenarios.


