大发dafa888老虎机Medium Frequency Coreless Induction Melting Furnace 铜管坯水平连续铸造机组Copper Billet Horizontal Continuous Casting Unit 铜板带水平连续铸造机组Copper Strip Horizontal Continuous Casting Unit 铜锭半连续铸造系统Copper Billet Semi-continuous Casting System 感应加热系统Induction Heating System 上引无氧铜杆铸机组Oxygen-free Copper Rod Continuous Up-casting Unit