We produces many kinds of cylinder liners, such as boron alloy, boron-copper alloy, bainite, nickel-molybdenum-copper and so on. And they have many industries with leading-level and plasma quenching cylinder liners. Key working procedure and chief inspection way are brought in from the equipment instruments of Germany and Italian The company is a major instituting part which is accorded with the industry standard of the national laser cylinder liner JB/T10406-2004. Furthermore, the company was assessed as the test base of Shanghai International-combustion Engine Research Place to produce new cylinder liner products.