Japan NOK-- world sealing industry pioneer and devotees. NOK Corporation was founded in 1939, is Japan's first production of oil seal of the enterprise, is one of the world's largest manufacturer of sealing products, is Japan's listed companies, with annual sales of 25-30 billion yuan. NOK products in Japan occupy more than 70 percent of the market share of more than 50% of the market in other countries.
    Research:
     NOK technical research in the world sealing industry always maintain the leading position, most of the studies were not conducted predecessors, the many "impossible" to "may." In the late 1950s the first "seal and seal lubrication theory" theory to explain the exclusive first sealing mechanism. In the 1960s the development of high temperature, high pressure polyurethane synthetic rubber is eligible for world patent.
   Product quality and performance:
     World sealing industry first passed ISO9001 certification, the fully automated production, quality consistency and uniformity second to none. NOK rubber materials for its unique formula, developed a large number of high-quality sealing products (up to 130,000 kinds), under different conditions, pressure, temperature, speed, medium grade can be equipped with different sealing products.
  Experience:
    NOK's history is the history of Japanese oil seal manufacturing industry. 60 years from generation to generation NOK technical experts with the industry long-term users to design their sealing system, for use NOK whole process of tracking goods, services, the industry has accumulated advanced sealing systems design, manufacturing and application experience.

 Applications: NOK products are widely used in general industry, automotive, motorcycle industry and other industries