Found in 1980, Ningbo Yinzhou Dongshan Rubber & Metal Product Factory is a professional manufacturer specializing in a variety of fittings of automobile named tire valves and related accessories. There are 30 series, 300 specifications with the annual capacity of 5000 sets in our factory. The scope of our products mainly covers trucks, passenger cars, saloon cars, motorcycles and bicycles.

90% of the annual sales volume of products is exported to European and American countries and areas.