The Xiangshan welding liner factory is one of famous leading enterprise in the domestic which is research, development, manufacture the ceramic welding liner products, It is set up in 1982, There are total 230employees, 18 are specialized technical personnel and 6 middle and high-level engineers . There are the home first-class and the international advanced level with an annual output of 2,500 million meters JN series of automatic welding kiln liner production line ,it is one of the largest welding backing production base of China. With more than 20 years of welding backing manufacture, the enterprise has accumulated a wealth of research, design, production liner welding technology and experience，the CO2 welding double-sided molding efficient welding technology in the promotion of development has been achieved in China.