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![]() NSH emphasizes technical innovation and satisfying services. NSH has obtained the ISO9001 certificate and becomes the main manufacture base of purification machines in China. NSH oil purification equipment series are extensively used in the fields of electric power, petroleum, natural gas, mechanical manufacture, steel, metallurgy, railway and aviation. We offer more than 100 kinds of products in 7 series and offer particular solutions. NSH products are not only able to low customers' cost and security risk effectively, but also solve the problem of which the waste oil contaminates environment. Please free to contact us. sinonsh96@sino-purification.com to Evelyn Chen. [Details] |