Founded in 1918, the Japanese listed company NTN corporation, is one of the three Japanese bearing enterprises, is also one of the world's five comprehensive bearing manufacturers, the company's employees more than 12000, annual sales of $2.05 billion (related sales $2.85 billion), in Germany, the United States, France, Canada, Australia, Singapore, South Korea and other 12 countries and regions have built research and development institutions or production base, the company production of car drive series important parts —— equal speed universal section 2003 sales of more than 100 billion yen, become the world's second largest equal speed universal section manufacturers.

Headquartered in the western part of Osaka City, there are 11 production institutes, 25 business offices and 3 research institutes in Japan, and 20 wholly owned production plants, 2 research institutes and 48 business institutes abroad.

NTN production, sales, technology departments make unremitting efforts to develop and deepen their own professional fields, and at the same time organically combined with each other.