Lianyuan Iron & Steel Co., Ltd has produced the protective steel of FD family with tensile strength 900MPa-2000MPa and of ArmaPro family with brinell hardness 440-630. With perfect bulletproof performance, cold forming and welding property, Armor plate of Lianyuan steel can be widely used in some fields, such as private bulletproof vehicles, bank armored vehicles, armored personnel carriers, training range and anti-terrorist vehicles. Hot rolled LG900FD of Lianyuan Steel successfully passed the authentication of the Ministry of Public Security, which began to be used in armored cash carries; Heat-treated armor plate of ArmaPro500 and 550 have successfully passed the inspection of China Academy of Ordance Equipment and met the test requirements of NATO.
