Chemical Engineering Partners (CEP)  is an advanced process technology company that provides re-refining process simulation and detailed engineering designs to clients worldwide. CEP is an affiliate of Evergreen Oil, Inc. whose world leading re-refinery in Newark, California has been in operation for over 20 years using our state-of-the-art technology to produce over 45,000 MT/A of API Group II Base Oil that has been certified to meet GF-3 and GF-4 specifications. Also credited with plants currently operating or under design in several countries, CEP remains committed to continuously improving the underlying technology while providing outstanding client service.