It is ridiculous that doing the business of EN590 by the buyers who have not familiar connections with oil storage company。so if the buyers of EN590 who want to successfully complete this business must be having trustful relationships with their oil storage company ，and if the refinery sending the SGS report and injection report to their oil storage company sincerely wants to truly complete this business，the authentic buyers should be sure to follow this suitable process without hesitation to obtain the goals of successfully complete this business!