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 have more than 400 kinds of products, and we can make new products according to your sample, drawing, and OEM. We got certificate of ISO/TS 16949:2009 in Jan.2010 and got ISO9001 certificate in 2002.