https://biz.prlog.org/tag/re-refining/ Re-refining - Free business directory on PRLog.Org, latest companies listed first. 60 https://biz.prlog.org/ChemicalEngPart/ Chemical Engineering Partners (CEP) is an affiliate of Evergreen Oil and is a re-refining process technology and design firm . Evergreen Oil has been operating its state of the art re-refinery for 22 years. CEP has designed plants around the world. Thu, 28 May 2009 20:44:02 GMT