Sino-NSH Used Oil Filter & Treatment Manufacture Co., Ltd is a high-tech Company which is engaged in researching, developing and manufacturing lubrication purification equipment. NSH is committed in making filter equipments. NSH passed the approval of the ISO 9001 quality system and become the main manufacture base of purification machine in China. NSH oil purifier series are extensively used in the fields of electric power, petroleum, natural gas, mechanical manufacture, steel, metallurgy, railway, aviation etc. which consume lubrication oil. It is the principal products covering more than 100 kinds of products in 7 series and can meet different needs of customers. For special demand ... more