Ningbo Dan Yang vehicle standard parts co., LTD., formerly known as ningbo yinzhou YunZhou vehicle standard parts factory, was founded in 1992), in 2010, in order to help marketing operation, is advantageous to the foreign trade export, to the factory for the conversion of the company. After more than 30 years of entrepreneurship and development, the company now owns nut cold heading machine, large punch, automatic car instrument, automatic tapping machine, automatic slot milling machine, the flaw detector, torsion tester, rockwell hardness machine and machining and testing equipment more than hundred employees more than 200 people. The company has been committed to the research and development, production and sales of car nut, especially in the slot nuts and non-standard nut that accumulated rich production experience. Now our company can produce the Chinese GB, American ANSI, British BS standard, international ISO standards and various non-standard, special nuts, products are widely used in all kinds of cars, cars, machinery and equipment, railway Bridges, and other fields.