Proportion-Air works hard to provide sensible customer-focused support. We want your experience with us to be easy and free of surprises. The agreement documents below lay out the details of our relationship. These agreements are subject to change without notice. Customers have 60 days from receipt to notify us if there is a discrepancy in their order.

We also comply with directives and regulations in the regions where we do business, and we request that our suppliers maintain high standards as well.

To obtain a REACH declaration document covering a specific product or products, please send a message to