Changchun Lantian Company has been researching and producing composite gaskets, metal gaskets, metal-rubber gaskets, as well as metal and non-metal sealing gaskets for the automotive and motorcycle industries since 2004. The products they manufacture have been widely used in China's aerospace, weaponry, petrochemical, refrigeration and air conditioning, metallurgy and power, mining, automotive engines, and small general-purpose gasoline engines industries, making significant contributions to the country's defense industry.