Japan NOK Co., is founded in 1939, which is the first company producing oil-seal products .To Japan NOK symbolizes the history of oil-seal. In1959 NOK first published" the Friction of Oil-Seal and the Lubricating Theory of Seal".Basing on this they set up own technology. Since in 60's"a ferrous rubber"-a paten technology-a Synthetic material with polyurethane, which broke out a revolution in seal material field worldwide, fast pushing NOK forward. Developing various products , reforming new technology and using advanced management all these ensure excellent properties and stable quality. Japan NOK Co. is the biggest one in all these oil-seal product companies .As a joint-stock company, which took the lead in adopting ISO9001 Standard in quality .It has 4,460 employees, the sale volume in 1999 is 250 billion yuan (RMB), covered over 80 % share in Japan, 50% in Europe and U.S.. Now 130,000 various products are widely used in every field from space shuttle to Japan express train. esp. auto ,engineering machines ,space flight ,plastic machines, metallurgy ,pressure machines ,mine machines etc. Their products play an important role over half a century, supplying to these world famous companies, which produce machines and equipment: XIAOSONG PRODUCT FACTORY OF JAPAN,TIANTEN PRODUCT FACTORY , TOYATO ,HONDA, MITSHUBISHI, GM, CHRYSLER and etc. A common opinion thinks that the level oil-seal product shows industry level of this country. Therefore the excellent quality of NOK products promotes the industry development for Japan even whole world 

NOK 公司现有的13万种产品被广泛应用在汽车、工程机械、 航天设备、塑料机械、冶金机械、压力机械、矿山机械等工业领域。 高质量、高性能的NOK产品促进了日本乃至世界的工业发展。

日本NOK公司成立于1939年,是世界上最大的油封生产公司之一, 现有员工4460人,99年销售额为250亿人民币,同时是世界密封行业最早 获得ISO9001质量认证的股票上市的集团公司。

NOK为国际知名的企业, 如日本小松制作所、加藤制作所、 丰田汽车公司、本田汽车公司、川崎重工、三菱重工、助友商社、 美国通用汽车公司、英国克莱斯勒汽车等机械设备生产厂家的密封件和油封的主要供应商。

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