Our factory produce various specification telephone cable, including the indoor and the outdoor used cable.

Structure:
Lead: Annealed copper. Lead's dia: 0.4 0.5 0.6 (mm)
Insulative single line: Solid polyethyene insulative single line. According to specification, insulative wires respectively use ten standard colors.
Cable core band: The core is hard wrapped or longitudinally coated with polyester pellicle as wee as pledget.
Jacket: Low density polythyene containing carbon 2.5+/-0.5% is made. The jacket and the metal screen are closely binded together, forming an excellent humidity-proof layer.