Gaobeidian High & New Tool Factory is incorporated with researching and developing Horniness Alloy Circumvolution File and other Horniness Metal Clrcumvolution File.Gaobeidian Santong Industries Ltd.Co.Possesses well equipments and advanced process.We Have been pursuing the policy of Recognition science and technology, Rigorous management, redound on solicitude of social with high quality and low price.We will do ourbest for all-around spreading Horniness Alloy Circumvolution File and achieving mechanization of locksmith and sculptingin China.