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Screw oil press has good material Precise technology
The product adopt high carbon steel, after high-frequency quenching and heat treatment, has high hardness, strength, good abrasion resistance, adopted continuous operation of high temperature and high pressure, improved the service life of the oil press, which can be used for decades time.
http://www.wanda-oilpress.com/oil-press/screw-type
6YL-90 Screw oil press
