We have the exclusive patent products, research and produce the semiconductor key equipments.The products involve CZ-70,CZ-80,CZ-90 and CZ-110,etc.The outstanding advantage of its production is to take some techniques such as the PLC auto-controlling system, independent innovating hot zone, magnetism liquid seal,power factor compensation and harmonic wave restraining and so on,which realizes the constant temperature of the hot zone,meets steady,continuous,high-efficiency,auto-controlling,non-dislocation and low oxygen and carbon requirements for Dia.6inch-Dia.8inch single silicon ingot.The products are high-efficiency,economize on energy, environmental protection and automatization. We acquired the ISO9001 quality management system authentication certificate,IQNET certificate,the technology result certificate and the qualified products certificate of Hebei province.