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• 03:01, 19 March 2014 Lily Cheng talk contribs uploaded File:Oil refinery plant.jpg (Oil refining is to to purify edible oil by degumming, neutralizing, bleaching, deodorization and get high quality edible oil. With high degree of automation, the oil refining machinery can refine 20 kinds of edible oil, such as soybean oil, rape seeds ...)