Small automatic oil completely rely on pure physical extrusion machinery , without any chemical solvents , and thus retained the overall plant nutrients and authentic , its rich aroma , pure taste, color crystal, purely a " green, natural, nutrition, healthy oil , "we uS Genesis press after a long market survey and research , research and development of advanced automation equipment for small and medium automatic press , won many national crude oil production and patents, plant oils and fats the quality of the merits , but also on the sensory identification can be broadly summarized as color, odor , taste and other items, combined with the promotion of transparency , water content, sediment and other impurities comprehensive feed equipment. Grossly oil color which is normal , with or without impurities or sediments, whether there is mold sniffing coke , rancid taste, mouth taste is bitter , spicy , sour and other odors, is to identify key indicators of good or bad vegetable oils . Vegetable oils can also be heated test , thick and choking fumes when a fat rancidity.