Nanjing Hengchuang Magnetic Electronics Co., Ltd  permanently after 3 year development, undergoes 3 year on-line test, completes the domestic first set of magnetic core production oxygen content automatic control system, this equipment surpasses European and the Japanese control computer far. The system uses imports the part, the entire touchscreen design, realizes the entire journey automatic following control, the error is smaller than 3%. Presently seeks for the Cooperative enterprise to promote together, and continues the sales furnace body equipment and the transformation existing equipment.