Because of increasingly large ships, giant ships and automation as well as a host of the economy, increasing demand for reliability, technological development of high-power low-speed two-stroke diesel engine showing a trend of overall optimization, specifically in the following several aspects :( 1) stand-alone, single-cylinder power increases, the largest single can reach 110,000 horsepower. (2) to further reduce fuel consumption, low-speed two-stroke diesel engine fuel consumption rate has been reduced to 164g / kW · h. (3) The mean effective pressure reached 1190-1195MPa, the explosion pressure in 1510-1515MPa. (4) high pressure ratio and highly efficient turbocharger, such as ABB company developed 4P turbocharger pressure ratio of up to 5 to 1. (5) The electronic governor system, electronically controlled fuel injection systems, high pressure common rail fuel injection systems, intelligent electronic control systems offer marine engines, to further improve the reliability of the low-speed diesel engines and improve low load performance marine engine sales, reduce fuel consumption, NOx emissions control, and security control. Two-stroke diesel engines and four-stroke diesel engine substantially the same structure as the manufacturer of marine engines, the main difference in terms of gas distribution mechanism. No two-stroke diesel engine intake valve, an exhaust valve and some even have no marine engines, but to open the scavenging port and the exhaust port at a lower portion of the cylinder; or set the scavenging port and the exhaust valve mechanism. And set up a special drive by moving parts scavenging pump and storage tank scavenging air pressure, a piston with the completion of the air intake valve, thereby simplifying the structure of the diesel engine. Figure is a schematic diagram of a two-stroke diesel engine. Scavenging pump attached to one side of the diesel engine, which rotor is driven by the diesel engine. Air suction from the pump suction, exhaust after compression stored in scavenging box with a large volume of, and in which to maintain a certain pressure. It is to figure illustrates two-stroke diesel engine works. Marine engine manufacturers, Weifang Huadong (certified), marine engines supplied by Weifang Huadong Engine Co., Ltd. Weifang Huadong Engine Co., Ltd. (www.hdchai.com) is an industry leader in Shandong Weifang, the internal combustion engine, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Weifang Huadong leadership with the staff warmly welcome all inquiries negotiations to create a better future Weifang Huadong.