... the strength member into a compact and circular cable core. The cable core is filled with the filling compound to ... Electric and optical cable maintain relatively independent structure, easy to import, export and link when installation electricity lines, telephone lines, television ... crushing, impacting, repeated bending, torsion, winding and loss complies with YD / T 901-2001. TYTS 4B1-RV 2*1.5 TYTS ...