Certificate of RegistrationThis certifies that the Quality Management System of

Rex Heat Treat3008 Red Morris Parkway

Anniston, Alabama, 36207, United States

has been assessed by NSF-ISR and found to be in conformance to the following standard(s):

ISO 9001:2015Scope of Registration:

Heat treating for ferrous and nonferrous alloys.

Carl Blazik,Director, Technical Operations & Business Units,NSF-ISR, Ltd.

Certificate Number: 8Z105-IS1Certificate Issue Date: 07-NOV-2018Registration Date: 07-NOV-2018Expiration Date *: 06-NOV-2021