Our company-Nanjing Jinniu Mechanical Manufacturing Co.,Ltd- is Oil Pumps gerotor manufacturer for 20 years,with more than 300 kinds of mature product types. They sell good overseas because they are with shining surface,high quality and low price.In 2009,our comapny also got ISO/TS 16949 certificate.New products are able to be developed according to samples,drawings and OEM.