Nanjing Jinniu Mechanical Manufacturing Co.,Ltd was founded in 1998, and takes up an area of 33000 square meters. We produce PM sinter parts for engine in automotive industry. The main products are oil pump rotors, gears, timing sprockets, pulleys. We got certificate of ISO/TS 16949:2009 in Jan.2010 and got ISO9001 certificate in 2002. The company brand is the local famous trade mark. We have built long cooperation with many Chinese and foreign customers.