As the member unit of the National Standardization Technical Committees, with almost 40 years’ experience producing retaining rings, Anhui Ningguo Dongbo Fastener Co.,Ltd, is the biggest manufacturer in China and its retaining rings have been awarded Anhui’s Brand-name Products.
Covering an area of 66667 square meters, growing to 450 employees, with monthly capacity of more than 200 million pieces, Dongbo’s annual sales value has already reached 200 million.
The main products Dongbo produces are retaining rings, like GB, DIN, ANSI, JIS standard and washers, especially for the DIN471 and DIN472 parts.
As the products can be applied to automobile, wind power generation, etc., Dongbo has a long-term cooperation with the world-famous fastener distributor, like Wurth, Fabory and many automobile manufacturers, such as Getrag, Ford, Volkswagen. Almost 70% of Dongbo’s products are exported to Europe, North America, South America, Turkey, Korea, etc.