Sino-NSH Oil Purifier Manufacture Co. Ltd. is a high-tech company, being engaged in researching, developing and manufacturing lubrication purification equipment. Her oil purification equipment series are extensively used in the fields of electric power, petroleum, natural gas, mechanical manufacture, steel, metallurgy, railway, aviation etc. which consume lubrication oil. For special demands of customers, we offer particular solutions. NSH products are not only able to lower customers cost and maintain security effectively, but also solve the problem of which the waste oil contaminates environment.