1. produced with the production process of cladding welding drawing method2. cladding planished copper belt concentrically on the outer surface of the aluminium line3. several times of drawing and heat treatment4. both the samll density of aluminum and the good conductivity of copper5. has high signal transmission property, has characteristics such as low weight and low production cost. 6. has two states, soft and rigid7. can be divided into 10% and 15% if a ccording to copper plate. 8. 20 ?C DC resistivity are 0. 02743 . mm 2 / m and = 0. 02676O . mm 2 / m9. nominal density are 3. 32g/ cm 3 and 3. 63g/ cm 310. aspect ratio with same specification and weight is 1 : 2. 5 - 2. 711. can be extensively used in CATV signal transmission, HC co mm unication networksignal transmission, control signal cable, light vehicle cable, welding cable, urgent removal cable, TV exciting coil, deflecting coil, ballast coil and so on. 12. In HF signal transmission, is applied to Standard Material of Conductor in CATV Coaxial Cable, 50 Ohm Radio Frequency Aerial, Leaky Cable, Soft Coaxial Radio Frequency Cable13. In power transmission and LF signal transmission, can be applied to Twisted Pair Power , Cable Control Cable, Building Cotton Covered Wire , Busbar & Other Conductors14. In special electromagnetic wire, can be applied to Coils or windings in computers, mobile co mm unication equipments, spaceflight & avigation and military industry instruments.