Ningbo c. S. I. Power & machinery group Co., Ltd., established in 1951, is the leading manufacturer in China of four-stroke middle speed diesel engines for marine propulsion, marine gensets, stationary gensets and power plant applications. Ningbo csi manufactures n160, n170, n210, 300, g300, gn320 and dn320, n330 eight series four-stroke middle speed diesel engines with unit output from 200kw to 5000kw, which can be used as propulsion of merchant vessels and special vessels from 1000 to 20000 tons dwt. Ningbo csi manufactures marine auxiliary diesel generators with unit output from 200kw to 400kw and stationary hfo generators with unit output from 500kw to 3500kw. Ningbo csi designs and builds turn-key power plant with an output up to 60mw as baseload power plant, peaking power plant or industrial self-captive power plant in cement, textile, mining or oil and gas industries etc. The power fuel can be diesel oil, biodiesel, heavy fuel oil (hfo) or bi-fuel.