Nanjing Jinniu Mechanical Manufacturing Co., Ltd, was founded in 1989, takes up an area of 33000 square meters, with the annual sales volume reach nearly 10 million USD. We are one of the top manufacturers for PM sinter parts in China, and we mainly produce oil pump rotors, gears, timing sprockets, pulleys for engine in auto industry.

We got certificate of ISO9001 in 2002 and ISO/TS 14969: 2009 in 2010. We gained many awards from local government and created the famous brand, which is widely known in China. Resently there are more than 600 kinds of products for your selection, and more products also would be developed according to customers' drawings, samples, or other special requirements of relative international PM sinter standard. Till now we have built long term cooperation with many customers from both domestic and abroad.